diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 07de040..2dfc7a8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,7 +1,6 @@
 ---
 name: ci
-on:
-  pull_request:
+on: [push, pull_request]
 jobs:
   ci_job:
     name: test
@@ -13,3 +12,9 @@ jobs:
         uses: actions/checkout@v4
       - name: Test
         run: make test
+      - name: Generate coverage report
+        run: make test-cov
+      - name: Upload results to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.gitignore b/.gitignore
index 2c4c438..c46c5bd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,5 @@ Thumbs.db
 .idea
 .vscode
 
-kubectl-view-secret
\ No newline at end of file
+kubectl-view-secret
+coverage.txt
diff --git a/Makefile b/Makefile
index fe26ed9..864713a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,16 @@
 SOURCES := $(shell find . -name '*.go')
 BINARY := kubectl-view-secret
+COV_REPORT := "coverage.txt"
 
 build: kubectl-view-secret
 
 test: $(SOURCES)
 	go test -v -short -race -timeout 30s ./...
 
+test-cov:
+	go test ./... -coverprofile=$(COV_REPORT)
+	go tool cover -html=$(COV_REPORT)
+
 clean:
 	@rm -rf $(BINARY)
 
diff --git a/README.md b/README.md
index 0c34895..9333a36 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
 
 [![Go Report Card](https://goreportcard.com/badge/github.com/elsesiy/kubectl-view-secret)](https://goreportcard.com/report/github.com/elsesiy/kubectl-view-secret)
 ![CI](https://github.com/elsesiy/kubectl-view-secret/actions/workflows/ci.yml/badge.svg)
+[![codecov](https://codecov.io/github/elsesiy/kubectl-view-secret/graph/badge.svg?token=RODJX5GLDB)](https://codecov.io/github/elsesiy/kubectl-view-secret)
 [![Twitter](https://img.shields.io/badge/twitter-@elsesiy-blue.svg)](http://twitter.com/elsesiy)
 [![GitHub release](https://img.shields.io/github/release/elsesiy/kubectl-view-secret.svg)](https://github.com/elsesiy/kubectl-view-secret/releases)