diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 0000000..15150ff
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,20 @@
+coverage:
+  status:
+    project:
+      production:
+        target: auto
+        flags:
+          - src_code
+
+flags:
+  src_code:
+    paths:
+      - '!**/test_*.c'
+      - '!**/test_*.py'
+      - '**/*.c'
+      - '**/*.h'
+      - '**/*.py'
+  test_code:
+    paths:
+      - '**/test_*.c'
+      - '**/test_*.py'