diff --git a/.gitea/workflows/release.yaml b/.gitea/workflows/release.yaml
index 0213d62..7e456b5 100644
--- a/.gitea/workflows/release.yaml
+++ b/.gitea/workflows/release.yaml
@@ -8,7 +8,7 @@ jobs:
   build:
     name: Build and push mlflow container
     runs-on: ubuntu-latest
-    container: git.namesny.com/cluster/act-runner:v1
+    container: git.namesny.com/cluster/act-runner:v1@sha256:12ecb5835cd38f38bf9fc7589abc3751861bd737c612bb2a6194615810cb4f92
     env:
       IMAGE_NAME: mlflow
       REGISTRY: git.namesny.com