diff --git a/dist/setup/index.js b/dist/setup/index.js
index faa50c61..d6a5c9c8 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -2105,7 +2105,7 @@ function findPyPyToolCache(pythonVersion, pypyVersion, architecture) {
     if (!installDir) {
         core.info(`PyPy version ${pythonVersion} (${pypyVersion}) was not found in the local cache`);
     }
-    core.setOutput('python-version', 'pypy' + resolvedPyPyVersion);
+    core.setOutput('python-version', 'pypy' + resolvedPyPyVersion.trim());
     return { installDir, resolvedPythonVersion, resolvedPyPyVersion };
 }
 exports.findPyPyToolCache = findPyPyToolCache;
diff --git a/src/find-pypy.ts b/src/find-pypy.ts
index 8dea61f2..396f631f 100644
--- a/src/find-pypy.ts
+++ b/src/find-pypy.ts
@@ -90,7 +90,7 @@ export function findPyPyToolCache(
     );
   }
 
-  core.setOutput('python-version', 'pypy' + resolvedPyPyVersion);
+  core.setOutput('python-version', 'pypy' + resolvedPyPyVersion.trim());
   return {installDir, resolvedPythonVersion, resolvedPyPyVersion};
 }