diff --git a/dist/index.js b/dist/index.js
index e8d42a4..cd4bbae 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -34364,7 +34364,7 @@ const core_1 = __nccwpck_require__(9093);
 const simple_git_1 = __importDefault(__nccwpck_require__(791));
 const git = (0, simple_git_1.default)();
 async function fetchRemoteBranches() {
-    await git.fetch(["--unshallow"]);
+    await git.fetch([]);
     const branches = await git.branch(["-r"]);
     return branches.all.map((branch) => branch.replace("origin/", ""));
 }
diff --git a/src/git-util.ts b/src/git-util.ts
index 0783f1d..9e6475d 100644
--- a/src/git-util.ts
+++ b/src/git-util.ts
@@ -4,7 +4,7 @@ import simpleGit from "simple-git";
 const git = simpleGit();
 
 export async function fetchRemoteBranches() {
-  await git.fetch(["--unshallow"]);
+  await git.fetch([]);
   const branches = await git.branch(["-r"]);
   return branches.all.map((branch) => branch.replace("origin/", ""));
 }