diff --git a/update-version.sh b/update-version.sh
index df53265..c5787ed 100755
--- a/update-version.sh
+++ b/update-version.sh
@@ -33,7 +33,7 @@ fi
 # Apply it with Maven
 echo "🔧 Updating version: $current_version → $new_version"
 TAG=$(echo "$new_version" | tr '[:upper:]' '[:lower:]')
-sed -i '' "s|forgejo.edf-bootstrap.cx.fg1.ffm.osc.live/devfw-cicd/michals-silly-game-backend:.*|forgejo.edf-bootstrap.cx.fg1.ffm.osc.live/devfw-cicd/michals-silly-game-backend:$TAG|" k8/deployment.yaml
+sed -i "s|forgejo.edf-bootstrap.cx.fg1.ffm.osc.live/devfw-cicd/michals-silly-game-backend:.*|forgejo.edf-bootstrap.cx.fg1.ffm.osc.live/devfw-cicd/michals-silly-game-backend:$TAG|" k8/deployment.yaml
 echo "reference changed to $TAG"
 mvn versions:set -DnewVersion="$new_version"
 mvn versions:commit