diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index adbcab5eff8c4e2128c1ae2363b31d215dd1371c..f6c39701da99a67e88c109d7b55f03fac7e1cf9b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -48,7 +48,7 @@ Deploy to Kubernetes:
     - mv ./kubectl /usr/local/bin/kubectl
     - kubectl version
     - cd k8s
-    - sed -i "s|##IMAGETAG##|${CI_COMMIT_REF_NAME}|" deployment.yaml
+    - sed -i "s|##IMAGETAG##|${CI_COMMIT_REF_NAME}|" deployment.yml
     - kubectl apply -f deployment.yml
   only:
     - tags