diff --git a/.changelog/2559.trivial.md b/.changelog/2559.trivial.md
new file mode 100644
index 00000000000..b4a6dfbdde9
--- /dev/null
+++ b/.changelog/2559.trivial.md
@@ -0,0 +1 @@
+Release tooling improvements
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4937479544f..818c87ca3fd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,6 +1,18 @@
 name: Continuous integration
 
-on: push
+# Trigger the workflow when:
+on:
+  # A push occurs to one of the matched branches.
+  push:
+    branches:
+      - master
+      - stable/*
+  # Or when a pull request event occurs for a pull request against one of the
+  # matched branches.
+  pull_request:
+    branches:
+      - master
+      - stable/*
 
 jobs: