diff --git a/.github/workflows/build-images.yml b/.github/workflows/build-images.yml
index c4c2c10..171ff57 100644
--- a/.github/workflows/build-images.yml
+++ b/.github/workflows/build-images.yml
@@ -2,6 +2,10 @@ name: Build container images
 
 on:
   workflow_dispatch:
+    inputs:
+      push-images:
+        required: true
+        type: boolean
   pull_request:
   workflow_call:
     inputs: