diff --git a/dist/setup/index.js b/dist/setup/index.js
index e7cfc7a1..9ca5fb7c 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -64483,8 +64483,8 @@ function resolveVersionInput() {
             core.info(`Resolved ${versionFile} as ${version}`);
         }
         else {
-            version = fs_1.default.readFileSync('.python-version', 'utf8');
-            core.info(`Resolved ${'.python-version'} as ${version}`);
+            version = fs_1.default.readFileSync(defaultVersionFile, 'utf8');
+            core.info(`Resolved ${defaultVersionFile} as ${version}`);
         }
         return version;
     }
diff --git a/src/setup-python.ts b/src/setup-python.ts
index 97efe538..58ebd8d0 100644
--- a/src/setup-python.ts
+++ b/src/setup-python.ts
@@ -51,8 +51,8 @@ function resolveVersionInput(): string {
       version = fs.readFileSync(versionFile, 'utf8');
       core.info(`Resolved ${versionFile} as ${version}`);
     } else {
-      version = fs.readFileSync('.python-version', 'utf8');
-      core.info(`Resolved ${'.python-version'} as ${version}`);
+      version = fs.readFileSync(defaultVersionFile, 'utf8');
+      core.info(`Resolved ${defaultVersionFile} as ${version}`);
     }
 
     return version;