diff --git a/dist/index.js b/dist/index.js
index a1991d0..3daa816 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -212,6 +212,11 @@ const inputHelper = __importStar(__nccwpck_require__(5480));
 const dockerhubHelper = __importStar(__nccwpck_require__(1812));
 const fs = __importStar(__nccwpck_require__(7147));
 const util_1 = __nccwpck_require__(3837);
+function getErrorMessage(error) {
+    if (error instanceof Error)
+        return error.message;
+    return String(error);
+}
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
         try {
@@ -232,7 +237,7 @@ function run() {
         }
         catch (error) {
             core.debug((0, util_1.inspect)(error));
-            core.setFailed(error.message);
+            core.setFailed(getErrorMessage(error));
         }
     });
 }
diff --git a/src/main.ts b/src/main.ts
index ed90337..55e0aa9 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -4,6 +4,11 @@ import * as dockerhubHelper from './dockerhub-helper'
 import * as fs from 'fs'
 import {inspect} from 'util'
 
+function getErrorMessage(error: unknown) {
+  if (error instanceof Error) return error.message
+  return String(error)
+}
+
 async function run(): Promise<void> {
   try {
     const inputs = inputHelper.getInputs()
@@ -31,9 +36,9 @@ async function run(): Promise<void> {
       readmeContent
     )
     core.info('Request successful')
-  } catch (error: any) {
+  } catch (error) {
     core.debug(inspect(error))
-    core.setFailed(error.message)
+    core.setFailed(getErrorMessage(error))
   }
 }