diff --git a/.github/codecov.yml b/.github/codecov.yml
new file mode 100644
index 0000000..31547ea
--- /dev/null
+++ b/.github/codecov.yml
@@ -0,0 +1,7 @@
+coverage:
+  status:
+    project:
+      default:
+        # Coverage collection varies by a few lines between identical runs
+        # (+/-0.05%), so tolerate small drops rather than failing on noise
+        threshold: 0.1%