diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a983f91..bebdb97 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -203,7 +203,9 @@ jobs:
           import os
           with open('artifacts/versions.json') as fin:
             with open(os.getenv('GITHUB_OUTPUT'), "a") as fout:
-              fout.write(f"versions_json={fin.read()}")
+              data = fin.read().decode('utf-8')
+              print(data)
+              fout.write(f"versions_json={data}")
 
       - name: Prepare release notes
         shell: python