diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 4ca3112..762b297 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -8,6 +8,7 @@ on:
 
 env:
   IMAGE: ghcr.io/becojo/math-homeworks:latest
+  COSIGN_EXPERIMENTAL: 1
 
 jobs:
   build: