diff --git a/MANIFEST.in b/MANIFEST.in
index adef7097..15bc5100 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,7 +1,7 @@
 include LICENSE *.rst *.toml .readthedocs.yml .pre-commit-config.yaml
 
 # Don't package GitHub-specific files.
-exclude .github/*.md .travis.yml
+exclude .github/*.md .travis.yml codecov.yml
 
 # Tests
 include tox.ini .coveragerc conftest.py
diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 00000000..60a1e5c1
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,10 @@
+---
+comment: false
+coverage:
+    status:
+        patch:
+            default:
+                target: "100"
+        project:
+            default:
+                target: "100"