diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
new file mode 100644
index 0000000..e283ab9
--- /dev/null
+++ b/.github/workflows/golangci-lint.yml
@@ -0,0 +1,26 @@
+name: golangci-lint
+on:
+  push:
+    branches:
+      - main
+      - master
+  pull_request:
+
+permissions:
+  contents: read
+  # Optional: allow read access to pull request. Use with `only-new-issues` option.
+  # pull-requests: read
+
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: stable
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: v1.60
diff --git a/.golangci.yaml b/.golangci.yaml
new file mode 100644
index 0000000..0291280
--- /dev/null
+++ b/.golangci.yaml
@@ -0,0 +1,42 @@
+run:
+  timeout: 5m
+  issues-exit-code: 1
+  tests: true
+
+issues:
+  max-same-issues: 100
+  include:
+    - EXC0012
+    - EXC0014
+  exclude-dirs: []
+  exclude-rules:
+    - path: retry_test.go
+      linters:
+        - revive
+      text: "this block is empty"
+  fix: true
+
+linters:
+  enable:
+    - bodyclose
+    - gofumpt
+    - goimports
+    - gosec
+    - gosimple
+    - govet
+    - ineffassign
+    - misspell
+    - revive
+    - staticcheck
+    - typecheck
+    - unused
+    - whitespace
+
+output:
+  formats:
+    - format: colored-line-number
+  print-issued-lines: true
+  print-linter-name: true
+  uniq-by-line: true
+  path-prefix: ""
+  sort-results: true
\ No newline at end of file
diff --git a/README.md b/README.md
index d4d96ef..2623266 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,16 @@
+[![CI State](https://github.com/gotidy/iters/.github/workflows/go.yml/badge.svg)](https://github.com/gotidy/iters/actions)
+[![Go Doc](https://godoc.org/github.com/gotidy/iters?status.svg)](https://pkg.go.dev/github.com/gotidy/iters)
+
 # iters
 
 Go iterators.
 
+## Installation
+
+```go
+go get github.com/gotidy/iters
+```
+
 ## General Iterators
 
 The `iters` library provides a set of general-purpose iterators that simplify the process of transformation, creation and using collections.
diff --git a/iters.go b/iters.go
index e1cddb2..bfb1ff2 100644
--- a/iters.go
+++ b/iters.go
@@ -308,7 +308,7 @@ func CountFunc[V any](s iter.Seq[V], f func(V) bool) int {
 	return count
 }
 
-// Count values.
+// Count2 values.
 func Count2[K, V any](s iter.Seq2[K, V]) int {
 	var count int
 	for range s {
@@ -425,7 +425,7 @@ func jitter[T constraints.Float | constraints.Integer](v T, factor, random float
 func Jitter[T constraints.Float | constraints.Integer](vv iter.Seq[T], factor float64) iter.Seq[T] {
 	return func(yield func(T) bool) {
 		jitter := func(v T) T {
-			return jitter(v, factor, float64(rand.Uint64())*2/math.MaxUint64-1)
+			return jitter(v, factor, float64(rand.Uint64())*2/math.MaxUint64-1) //nolint:gosec
 		}
 		if factor == 0 {
 			jitter = func(v T) T { return v }