diff --git a/package-lock.json b/package-lock.json
index f8cf33b..fe6f7c1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,6 +12,7 @@
         "@mdn/browser-compat-data": "^4.0.0",
         "@web/dev-server-core": "^0.7.0",
         "esbuild": "^0.19.11",
+        "get-tsconfig": "^4.7.2",
         "parse5": "^6.0.1",
         "ua-parser-js": "^1.0.33"
       },
@@ -2322,6 +2323,17 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/get-tsconfig": {
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/get-tsconfig/-/get-tsconfig-4.7.2.tgz",
+      "integrity": "sha512-wuMsz4leaj5hbGgg4IvDU0bqJagpftG5l5cXIAvo8uZrqn0NJqwtfupTN00VnkQJPcIRrxYrm1Ue24btpCha2A==",
+      "dependencies": {
+        "resolve-pkg-maps": "^1.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/privatenumber/get-tsconfig?sponsor=1"
+      }
+    },
     "node_modules/glob": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.0.tgz",
@@ -3505,6 +3517,14 @@
       "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.0.tgz",
       "integrity": "sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ=="
     },
+    "node_modules/resolve-pkg-maps": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/resolve-pkg-maps/-/resolve-pkg-maps-1.0.0.tgz",
+      "integrity": "sha512-seS2Tj26TBVOC2NIc2rOe2y2ZO7efxITtLZcGSOnHHNOQ7CkiUBfw0Iw2ck6xkIhPwLhKNLS8BO+hEpngQlqzw==",
+      "funding": {
+        "url": "https://github.com/privatenumber/resolve-pkg-maps?sponsor=1"
+      }
+    },
     "node_modules/reusify": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/reusify/-/reusify-1.0.4.tgz",
diff --git a/package.json b/package.json
index becd74e..b53a19a 100644
--- a/package.json
+++ b/package.json
@@ -60,6 +60,7 @@
     "@mdn/browser-compat-data": "^4.0.0",
     "@web/dev-server-core": "^0.7.0",
     "esbuild": "^0.19.11",
+    "get-tsconfig": "^4.7.2",
     "parse5": "^6.0.1",
     "ua-parser-js": "^1.0.33"
   },
diff --git a/src/EsbuildPlugin.ts b/src/EsbuildPlugin.ts
index 5143101..87c8aa2 100644
--- a/src/EsbuildPlugin.ts
+++ b/src/EsbuildPlugin.ts
@@ -18,6 +18,7 @@ import {
   setTextContent,
 } from '@web/dev-server-core/dist/dom5';
 import { parse as parseHtml, serialize as serializeHtml } from 'parse5';
+import { parseTsconfig } from 'get-tsconfig';
 
 import { getEsbuildTarget } from './getEsbuildTarget.js';
 
@@ -61,7 +62,8 @@ export class EsbuildPlugin implements Plugin {
     this.config = config;
     this.logger = logger;
     if (this.esbuildConfig.tsconfig) {
-      this.tsconfigRaw = await promisify(fs.readFile)(this.esbuildConfig.tsconfig, 'utf8');
+      const parsedTsconfig = await parseTsconfig(this.esbuildConfig.tsconfig);     
+      this.tsconfigRaw = parsedTsconfig ? JSON.stringify(parsedTsconfig) : await promisify(fs.readFile)(this.esbuildConfig.tsconfig, 'utf8');
     }
   }