diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3e0b26d..3d8a12b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -62,5 +62,5 @@ build:
         buildah push $FULL_IMAGE_NAME:$TAG
       done
     - DIGEST=($(buildah images --format '{{.Digest}}' $FULL_IMAGE_NAME:$TAGS))
-    - IMAGE_DIGEST=$(docker inspect --format='{{index .RepoDigests 0}}' $FULL_IMAGE_NAME:$TAGS)
+    - IMAGE_DIGEST=$(buildah inspect --format='{{index .RepoDigests 0}}' $FULL_IMAGE_NAME:$TAGS)
     - cosign sign $IMAGE_DIGEST