diff --git a/.github/.codecov.yml b/.github/.codecov.yml
new file mode 100644
index 0000000..93142c9
--- /dev/null
+++ b/.github/.codecov.yml
@@ -0,0 +1,19 @@
+# Copyright The ORAS Authors.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+coverage:
+  status:
+    project:
+      default:
+        target: 80%
+        if_ci_failed: error
diff --git a/.gitignore b/.gitignore
index b94c5b7..2138253 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,4 +25,7 @@
 *.out
 
 # Dependency directories (remove the comment below to include it)
-# vendor/
+vendor/
+
+# Custom
+coverage.txt