diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 876461e..de02923 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -30,7 +30,6 @@ jobs:
     runs-on: ubuntu-latest
     env:
       CI: true
-      CODECOV
     steps:
       - name: Checkout repo
         uses: actions/checkout@v2
diff --git a/README.md b/README.md
index cb0a5b3..328c29b 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Simple GraphQL client
 
-[![Run unit tests](https://github.com/lukaszraczylo/simple-gql-client/actions/workflows/test.yaml/badge.svg)](https://github.com/lukaszraczylo/simple-gql-client/actions/workflows/test.yaml)
+[![Run unit tests](https://github.com/lukaszraczylo/simple-gql-client/actions/workflows/test.yaml/badge.svg)](https://github.com/lukaszraczylo/simple-gql-client/actions/workflows/test.yaml) [![codecov](https://codecov.io/gh/lukaszraczylo/simple-gql-client/branch/master/graph/badge.svg?token=GS3IPOIWDH)](https://codecov.io/gh/lukaszraczylo/simple-gql-client)
 
 It's Hasura friendly.