diff --git a/.codecov.yml b/.codecov.yml
new file mode 100644
index 0000000..fd7b560
--- /dev/null
+++ b/.codecov.yml
@@ -0,0 +1,6 @@
+coverage:
+  status:
+    project:
+      default:
+        target: 99%
+        threshold: 1%
diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index b3338c1..0f7fd5a 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -32,8 +32,9 @@ jobs:
     - name: Run tests
       run: bundle exec rspec
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
+        token: ${{ secrets.CODECOV_TOKEN }}
         fail_ci_if_error: false
         flags: ruby-${{ matrix.ruby-version }}
       env: