diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5ae04f89..96be7a9c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,9 @@ on:
   push:
     branches: [main]
   pull_request:
-    branches: [main]
+    branches:
+      - main
+      - 'v[0-9]+.[0-9]+.x'  # Match version branches like v0.13.x, v1.0.x, etc.
   release:
     types: [created]