diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 16c5a3f82a..59e87916b1 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -1,5 +1,11 @@
 name: coverage
-on: ["push", "pull_request"]
+on:
+  push:
+    branches-ignore:
+      - 'release-plz-*'
+  pull_request:
+    branches-ignore:
+      - 'release-plz-*'
 env:
   # increment this manually to force cache eviction
   RUST_CACHE_PREFIX: "v0-rust"
diff --git a/README.md b/README.md
index 58e88f8ab1..1a15ec9763 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@
 [![docs.rs](https://img.shields.io/docsrs/ext-php-rs/latest)](https://docs.rs/ext-php-rs)
 [![Guide Workflow Status](https://img.shields.io/github/actions/workflow/status/davidcole1340/ext-php-rs/docs.yml?branch=master&label=guide)](https://davidcole1340.github.io/ext-php-rs)
 ![CI Workflow Status](https://img.shields.io/github/actions/workflow/status/davidcole1340/ext-php-rs/build.yml?branch=master)
+[![Coverage Status](https://coveralls.io/repos/github/davidcole1340/ext-php-rs/badge.svg)](https://coveralls.io/github/davidcole1340/ext-php-rs)
 [![Discord](https://img.shields.io/discord/115233111977099271)](https://discord.gg/dphp)
 
 Bindings and abstractions for the Zend API to build PHP extensions natively in