diff --git a/.github/workflows/build-docker.yml b/.github/workflows/build-docker.yml
index e6119909d..e9c7bf4ec 100644
--- a/.github/workflows/build-docker.yml
+++ b/.github/workflows/build-docker.yml
@@ -2,6 +2,8 @@ on:
   push:
     branches:
       - master
+    paths:
+      - 'lib/jurassic/**/*'
 
 name: Build Docker images
 jobs: