diff --git a/dist/channel/index.js b/dist/channel/index.js
index c53bc4a5..68961dfb 100644
--- a/dist/channel/index.js
+++ b/dist/channel/index.js
@@ -42604,29 +42604,6 @@ __exportStar(__nccwpck_require__(6366), exports);
 
 "use strict";
 
-var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
-}) : (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    o[k2] = m[k];
-}));
-var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
-    Object.defineProperty(o, "default", { enumerable: true, value: v });
-}) : function(o, v) {
-    o["default"] = v;
-});
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
-    __setModuleDefault(result, mod);
-    return result;
-};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -42638,20 +42615,23 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.Bundle = void 0;
-const core = __importStar(__nccwpck_require__(2186));
-const exec = __importStar(__nccwpck_require__(1514));
+const core_1 = __nccwpck_require__(2186);
+const exec_1 = __nccwpck_require__(1514);
 class Bundle {
     publish(path, channel) {
         return __awaiter(this, void 0, void 0, function* () {
-            core.exportVariable('CHARMCRAFT_AUTH', core.getInput('credentials'));
+            (0, core_1.exportVariable)('CHARMCRAFT_AUTH', (0, core_1.getInput)('credentials'));
             process.chdir(path);
-            yield exec.exec('juju-bundle', [
-                'publish',
-                '--destructive-mode',
-                '--serial',
-                '--release',
-                channel,
-            ]);
+            const result = yield (0, exec_1.getExecOutput)('charmcraft', ['pack']);
+            if (result.exitCode !== 0) {
+                throw new Error(`charmcraft pack ran unsuccessfully with exit code ${result.exitCode}.`);
+            }
+            const lastLine = result.stderr.trim().split('\n').pop();
+            if (!lastLine) {
+                throw new Error('Failed to extract the bundle name from the output of charmcraft pack.');
+            }
+            const bundleName = lastLine.split(' ')[1];
+            yield (0, exec_1.exec)('charmcraft', ['upload', bundleName, '--release', channel]);
         });
     }
 }
diff --git a/dist/check-libraries/index.js b/dist/check-libraries/index.js
index 7224aa8e..6260d262 100644
--- a/dist/check-libraries/index.js
+++ b/dist/check-libraries/index.js
@@ -42799,29 +42799,6 @@ __exportStar(__nccwpck_require__(6366), exports);
 
 "use strict";
 
-var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
-}) : (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    o[k2] = m[k];
-}));
-var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
-    Object.defineProperty(o, "default", { enumerable: true, value: v });
-}) : function(o, v) {
-    o["default"] = v;
-});
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
-    __setModuleDefault(result, mod);
-    return result;
-};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -42833,20 +42810,23 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.Bundle = void 0;
-const core = __importStar(__nccwpck_require__(2186));
-const exec = __importStar(__nccwpck_require__(1514));
+const core_1 = __nccwpck_require__(2186);
+const exec_1 = __nccwpck_require__(1514);
 class Bundle {
     publish(path, channel) {
         return __awaiter(this, void 0, void 0, function* () {
-            core.exportVariable('CHARMCRAFT_AUTH', core.getInput('credentials'));
+            (0, core_1.exportVariable)('CHARMCRAFT_AUTH', (0, core_1.getInput)('credentials'));
             process.chdir(path);
-            yield exec.exec('juju-bundle', [
-                'publish',
-                '--destructive-mode',
-                '--serial',
-                '--release',
-                channel,
-            ]);
+            const result = yield (0, exec_1.getExecOutput)('charmcraft', ['pack']);
+            if (result.exitCode !== 0) {
+                throw new Error(`charmcraft pack ran unsuccessfully with exit code ${result.exitCode}.`);
+            }
+            const lastLine = result.stderr.trim().split('\n').pop();
+            if (!lastLine) {
+                throw new Error('Failed to extract the bundle name from the output of charmcraft pack.');
+            }
+            const bundleName = lastLine.split(' ')[1];
+            yield (0, exec_1.exec)('charmcraft', ['upload', bundleName, '--release', channel]);
         });
     }
 }
diff --git a/dist/promote-charm/index.js b/dist/promote-charm/index.js
index 5d53442f..6aeb6b7a 100644
--- a/dist/promote-charm/index.js
+++ b/dist/promote-charm/index.js
@@ -42683,29 +42683,6 @@ __exportStar(__nccwpck_require__(6366), exports);
 
 "use strict";
 
-var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
-}) : (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    o[k2] = m[k];
-}));
-var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
-    Object.defineProperty(o, "default", { enumerable: true, value: v });
-}) : function(o, v) {
-    o["default"] = v;
-});
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
-    __setModuleDefault(result, mod);
-    return result;
-};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -42717,20 +42694,23 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.Bundle = void 0;
-const core = __importStar(__nccwpck_require__(2186));
-const exec = __importStar(__nccwpck_require__(1514));
+const core_1 = __nccwpck_require__(2186);
+const exec_1 = __nccwpck_require__(1514);
 class Bundle {
     publish(path, channel) {
         return __awaiter(this, void 0, void 0, function* () {
-            core.exportVariable('CHARMCRAFT_AUTH', core.getInput('credentials'));
+            (0, core_1.exportVariable)('CHARMCRAFT_AUTH', (0, core_1.getInput)('credentials'));
             process.chdir(path);
-            yield exec.exec('juju-bundle', [
-                'publish',
-                '--destructive-mode',
-                '--serial',
-                '--release',
-                channel,
-            ]);
+            const result = yield (0, exec_1.getExecOutput)('charmcraft', ['pack']);
+            if (result.exitCode !== 0) {
+                throw new Error(`charmcraft pack ran unsuccessfully with exit code ${result.exitCode}.`);
+            }
+            const lastLine = result.stderr.trim().split('\n').pop();
+            if (!lastLine) {
+                throw new Error('Failed to extract the bundle name from the output of charmcraft pack.');
+            }
+            const bundleName = lastLine.split(' ')[1];
+            yield (0, exec_1.exec)('charmcraft', ['upload', bundleName, '--release', channel]);
         });
     }
 }
diff --git a/dist/release-charm/index.js b/dist/release-charm/index.js
index 862a9606..9ada5a20 100644
--- a/dist/release-charm/index.js
+++ b/dist/release-charm/index.js
@@ -42695,29 +42695,6 @@ __exportStar(__nccwpck_require__(6366), exports);
 
 "use strict";
 
-var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
-}) : (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    o[k2] = m[k];
-}));
-var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
-    Object.defineProperty(o, "default", { enumerable: true, value: v });
-}) : function(o, v) {
-    o["default"] = v;
-});
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
-    __setModuleDefault(result, mod);
-    return result;
-};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -42729,20 +42706,23 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.Bundle = void 0;
-const core = __importStar(__nccwpck_require__(2186));
-const exec = __importStar(__nccwpck_require__(1514));
+const core_1 = __nccwpck_require__(2186);
+const exec_1 = __nccwpck_require__(1514);
 class Bundle {
     publish(path, channel) {
         return __awaiter(this, void 0, void 0, function* () {
-            core.exportVariable('CHARMCRAFT_AUTH', core.getInput('credentials'));
+            (0, core_1.exportVariable)('CHARMCRAFT_AUTH', (0, core_1.getInput)('credentials'));
             process.chdir(path);
-            yield exec.exec('juju-bundle', [
-                'publish',
-                '--destructive-mode',
-                '--serial',
-                '--release',
-                channel,
-            ]);
+            const result = yield (0, exec_1.getExecOutput)('charmcraft', ['pack']);
+            if (result.exitCode !== 0) {
+                throw new Error(`charmcraft pack ran unsuccessfully with exit code ${result.exitCode}.`);
+            }
+            const lastLine = result.stderr.trim().split('\n').pop();
+            if (!lastLine) {
+                throw new Error('Failed to extract the bundle name from the output of charmcraft pack.');
+            }
+            const bundleName = lastLine.split(' ')[1];
+            yield (0, exec_1.exec)('charmcraft', ['upload', bundleName, '--release', channel]);
         });
     }
 }
diff --git a/dist/release-libraries/index.js b/dist/release-libraries/index.js
index 0706e75b..51ef9e85 100644
--- a/dist/release-libraries/index.js
+++ b/dist/release-libraries/index.js
@@ -42826,29 +42826,6 @@ __exportStar(__nccwpck_require__(6366), exports);
 
 "use strict";
 
-var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
-}) : (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    o[k2] = m[k];
-}));
-var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
-    Object.defineProperty(o, "default", { enumerable: true, value: v });
-}) : function(o, v) {
-    o["default"] = v;
-});
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
-    __setModuleDefault(result, mod);
-    return result;
-};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -42860,20 +42837,23 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.Bundle = void 0;
-const core = __importStar(__nccwpck_require__(2186));
-const exec = __importStar(__nccwpck_require__(1514));
+const core_1 = __nccwpck_require__(2186);
+const exec_1 = __nccwpck_require__(1514);
 class Bundle {
     publish(path, channel) {
         return __awaiter(this, void 0, void 0, function* () {
-            core.exportVariable('CHARMCRAFT_AUTH', core.getInput('credentials'));
+            (0, core_1.exportVariable)('CHARMCRAFT_AUTH', (0, core_1.getInput)('credentials'));
             process.chdir(path);
-            yield exec.exec('juju-bundle', [
-                'publish',
-                '--destructive-mode',
-                '--serial',
-                '--release',
-                channel,
-            ]);
+            const result = yield (0, exec_1.getExecOutput)('charmcraft', ['pack']);
+            if (result.exitCode !== 0) {
+                throw new Error(`charmcraft pack ran unsuccessfully with exit code ${result.exitCode}.`);
+            }
+            const lastLine = result.stderr.trim().split('\n').pop();
+            if (!lastLine) {
+                throw new Error('Failed to extract the bundle name from the output of charmcraft pack.');
+            }
+            const bundleName = lastLine.split(' ')[1];
+            yield (0, exec_1.exec)('charmcraft', ['upload', bundleName, '--release', channel]);
         });
     }
 }
diff --git a/dist/upload-bundle/index.js b/dist/upload-bundle/index.js
index ffaa1385..973a0215 100644
--- a/dist/upload-bundle/index.js
+++ b/dist/upload-bundle/index.js
@@ -42674,29 +42674,6 @@ __exportStar(__nccwpck_require__(6366), exports);
 
 "use strict";
 
-var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
-}) : (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    o[k2] = m[k];
-}));
-var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
-    Object.defineProperty(o, "default", { enumerable: true, value: v });
-}) : function(o, v) {
-    o["default"] = v;
-});
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
-    __setModuleDefault(result, mod);
-    return result;
-};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -42708,20 +42685,23 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.Bundle = void 0;
-const core = __importStar(__nccwpck_require__(2186));
-const exec = __importStar(__nccwpck_require__(1514));
+const core_1 = __nccwpck_require__(2186);
+const exec_1 = __nccwpck_require__(1514);
 class Bundle {
     publish(path, channel) {
         return __awaiter(this, void 0, void 0, function* () {
-            core.exportVariable('CHARMCRAFT_AUTH', core.getInput('credentials'));
+            (0, core_1.exportVariable)('CHARMCRAFT_AUTH', (0, core_1.getInput)('credentials'));
             process.chdir(path);
-            yield exec.exec('juju-bundle', [
-                'publish',
-                '--destructive-mode',
-                '--serial',
-                '--release',
-                channel,
-            ]);
+            const result = yield (0, exec_1.getExecOutput)('charmcraft', ['pack']);
+            if (result.exitCode !== 0) {
+                throw new Error(`charmcraft pack ran unsuccessfully with exit code ${result.exitCode}.`);
+            }
+            const lastLine = result.stderr.trim().split('\n').pop();
+            if (!lastLine) {
+                throw new Error('Failed to extract the bundle name from the output of charmcraft pack.');
+            }
+            const bundleName = lastLine.split(' ')[1];
+            yield (0, exec_1.exec)('charmcraft', ['upload', bundleName, '--release', channel]);
         });
     }
 }
diff --git a/dist/upload-charm/index.js b/dist/upload-charm/index.js
index 5d46b191..39d86170 100644
--- a/dist/upload-charm/index.js
+++ b/dist/upload-charm/index.js
@@ -42714,29 +42714,6 @@ __exportStar(__nccwpck_require__(6366), exports);
 
 "use strict";
 
-var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
-}) : (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    o[k2] = m[k];
-}));
-var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
-    Object.defineProperty(o, "default", { enumerable: true, value: v });
-}) : function(o, v) {
-    o["default"] = v;
-});
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
-    __setModuleDefault(result, mod);
-    return result;
-};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -42748,20 +42725,23 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.Bundle = void 0;
-const core = __importStar(__nccwpck_require__(2186));
-const exec = __importStar(__nccwpck_require__(1514));
+const core_1 = __nccwpck_require__(2186);
+const exec_1 = __nccwpck_require__(1514);
 class Bundle {
     publish(path, channel) {
         return __awaiter(this, void 0, void 0, function* () {
-            core.exportVariable('CHARMCRAFT_AUTH', core.getInput('credentials'));
+            (0, core_1.exportVariable)('CHARMCRAFT_AUTH', (0, core_1.getInput)('credentials'));
             process.chdir(path);
-            yield exec.exec('juju-bundle', [
-                'publish',
-                '--destructive-mode',
-                '--serial',
-                '--release',
-                channel,
-            ]);
+            const result = yield (0, exec_1.getExecOutput)('charmcraft', ['pack']);
+            if (result.exitCode !== 0) {
+                throw new Error(`charmcraft pack ran unsuccessfully with exit code ${result.exitCode}.`);
+            }
+            const lastLine = result.stderr.trim().split('\n').pop();
+            if (!lastLine) {
+                throw new Error('Failed to extract the bundle name from the output of charmcraft pack.');
+            }
+            const bundleName = lastLine.split(' ')[1];
+            yield (0, exec_1.exec)('charmcraft', ['upload', bundleName, '--release', channel]);
         });
     }
 }
diff --git a/src/services/bundle/bundle.ts b/src/services/bundle/bundle.ts
index 5dcb0141..a3225d6c 100644
--- a/src/services/bundle/bundle.ts
+++ b/src/services/bundle/bundle.ts
@@ -1,17 +1,25 @@
-import * as core from '@actions/core';
-import * as exec from '@actions/exec';
+import { exportVariable, getInput } from '@actions/core';
+import { exec, getExecOutput } from '@actions/exec';
 
 class Bundle {
   async publish(path: string, channel: string) {
-    core.exportVariable('CHARMCRAFT_AUTH', core.getInput('credentials'));
+    exportVariable('CHARMCRAFT_AUTH', getInput('credentials'));
     process.chdir(path);
-    await exec.exec('juju-bundle', [
-      'publish',
-      '--destructive-mode',
-      '--serial',
-      '--release',
-      channel,
-    ]);
+
+    const result = await getExecOutput('charmcraft', ['pack']);
+    if (result.exitCode !== 0) {
+      throw new Error(
+        `charmcraft pack ran unsuccessfully with exit code ${result.exitCode}.`,
+      );
+    }
+    const lastLine = result.stderr.trim().split('\n').pop();
+    if (!lastLine) {
+      throw new Error(
+        'Failed to extract the bundle name from the output of charmcraft pack.',
+      );
+    }
+    const bundleName = lastLine.split(' ')[1];
+    await exec('charmcraft', ['upload', bundleName, '--release', channel]);
   }
 }