diff --git a/dist/index.js b/dist/index.js
index 2d95240..a452859 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -60832,7 +60832,7 @@ async function run() {
   try {
     await setupRuby()
   } catch (error) {
-    core.setFailed(error.message)
+    core.setFailed(error.stack)
   }
 }
 
diff --git a/index.js b/index.js
index 73184cb..8fdf457 100644
--- a/index.js
+++ b/index.js
@@ -23,7 +23,7 @@ export async function run() {
   try {
     await setupRuby()
   } catch (error) {
-    core.setFailed(error.message)
+    core.setFailed(error.stack)
   }
 }