diff --git a/build/main.js b/build/main.js
index f2d4c32..8c0400a 100644
--- a/build/main.js
+++ b/build/main.js
@@ -25211,6 +25211,7 @@ async function run() {
       return;
     }
     const lockfilePath = join2(workDir, lockfileFilename);
+    const packageFilePath = join2(workDir, "package.json");
     core7.info(`Using lockfile: ${lockfilePath}`);
     core7.info(
       `Comparing package lockfiles between ${baseRef} and ${currentRef}`
@@ -25235,12 +25236,12 @@ async function run() {
     }
     const basePackageJson = tryGetJSONFromRef(
       baseRef,
-      "package.json",
+      packageFilePath,
       workspacePath
     );
     const currentPackageJson = tryGetJSONFromRef(
       currentRef,
-      "package.json",
+      packageFilePath,
       workspacePath
     );
     let parsedCurrentLock;
diff --git a/src/main.ts b/src/main.ts
index 9a16c86..353f891 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -60,6 +60,7 @@ async function run(): Promise<void> {
       return;
     }
     const lockfilePath = join(workDir, lockfileFilename);
+    const packageFilePath = join(workDir, 'package.json');
     core.info(`Using lockfile: ${lockfilePath}`);
 
     core.info(
@@ -88,12 +89,12 @@ async function run(): Promise<void> {
 
     const basePackageJson = tryGetJSONFromRef<PackageJson>(
       baseRef,
-      'package.json',
+      packageFilePath,
       workspacePath
     );
     const currentPackageJson = tryGetJSONFromRef<PackageJson>(
       currentRef,
-      'package.json',
+      packageFilePath,
       workspacePath
     );