diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 118286c..009d160 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,6 +11,7 @@ on:
       - '.dockerignore'
       - '.github/**'
       - '.github/workflows/**'
+      - 'Dockerfile'
 
 jobs:
   shellcheck: