diff --git a/.github/workflows/spec.yaml b/.github/workflows/spec.yaml
index 8bdc3ebe..b1220af8 100644
--- a/.github/workflows/spec.yaml
+++ b/.github/workflows/spec.yaml
@@ -1,6 +1,8 @@
 name: Specification testing
 
 on: pull_request
+  paths: 
+    - 'spec/**'
 
 jobs: