diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 96be7a9c..ae9be54c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,7 +6,7 @@ on:
   pull_request:
     branches:
       - main
-      - 'v[0-9]+.[0-9]+.x'  # Match version branches like v0.13.x, v1.0.x, etc.
+      - 'v[0-9]*.[0-9]*.x'  # Match version branches like v0.13.x, v1.0.x, etc.
   release:
     types: [created]
 
diff --git a/.github/workflows/nutshell_itest.yml b/.github/workflows/nutshell_itest.yml
index d967837c..a572d2cf 100644
--- a/.github/workflows/nutshell_itest.yml
+++ b/.github/workflows/nutshell_itest.yml
@@ -1,6 +1,14 @@
 name: Nutshell integration
 
-on: [push, pull_request]
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches:
+      - main
+      - 'v[0-9]*.[0-9]*.x'  # Match version branches like v0.13.x, v1.0.x, etc.
+  release:
+    types: [created]
 
 jobs:
   nutshell-integration-tests: