diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index a96da4d48..374602149 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -9,10 +9,17 @@ name: Create and publish a Docker image
 
 on:
   push:
-    branches: ['master']
+    branches: 
+      - master
   release:
     types: [published]
   pull-request:
+    paths:
+      - 'pyproject.toml'
+      - 'poetry.lock'
+      - '.github/**'
+      - 'src/**'
+      - 'tests/**'
 
 # Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
 env: