diff --git a/.github/workflows/build_GPU.yml b/.github/workflows/build_GPU.yml
index 35d5923..f54809d 100644
--- a/.github/workflows/build_GPU.yml
+++ b/.github/workflows/build_GPU.yml
@@ -9,6 +9,7 @@ on:
   #    - '**.yml'
     paths:
       - 'requirements.txt'
+      - 'Dockerfile'
   workflow_dispatch:
 
 jobs: