diff --git a/.forgejo/workflows/build.yml b/.forgejo/workflows/build.yml
index e37f8026f..cd9295cb4 100644
--- a/.forgejo/workflows/build.yml
+++ b/.forgejo/workflows/build.yml
@@ -27,17 +27,21 @@ jobs:
 
       - name: Install Buildah
         run: apt update; apt install -y buildah
-        if: steps.changed.outputs.any_changed == 'true'
+        if: >-
+          github.event_name == 'workflow_dispatch'
+          || steps.changed.outputs.any_changed == 'true'
 
       - name: Build OCI image
         run: make ${{matrix.tag}}
-        if: steps.changed.outputs.any_changed == 'true'
+        if: >-
+          github.event_name == 'workflow_dispatch'
+          || steps.changed.outputs.any_changed == 'true'
 
       - name: Push image to OCI registry
         run: make push-${{matrix.tag}}
         if: >-
-          steps.changed.outputs.any_changed == 'true'
-          && github.ref == 'refs/heads/master'
-          && github.event_name == 'push'
+          github.ref == 'refs/heads/master' &&
+          (github.event_name == 'workflow_dispatch' ||
+          (steps.changed.outputs.any_changed == 'true' && github.event_name == 'push'))
         env:
           REGISTRY_PASSWORD: ${secrets.REGISTRY_PASSWORD}