diff --git a/.github/workflows/ci-v2.yml b/.github/workflows/ci-v2.yml
index c3d280f..39e50bb 100644
--- a/.github/workflows/ci-v2.yml
+++ b/.github/workflows/ci-v2.yml
@@ -18,13 +18,13 @@ jobs:
 
     steps:
       - name: set up go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v5
         with:
           go-version: "1.20"
         id: go
 
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: build and test
         run: |
@@ -33,9 +33,10 @@ jobs:
         working-directory: v2
 
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v3
+        uses: golangci/golangci-lint-action@v4
         with:
           version: latest
+          args: --config ../.golangci.yml
           working-directory: v2
 
       - name: install goveralls, submit coverage
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 85086fa..5993872 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,13 +18,13 @@ jobs:
 
     steps:
       - name: set up go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v5
         with:
           go-version: "1.20"
         id: go
 
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: build and test
         run: |
@@ -32,7 +32,7 @@ jobs:
           go build -race
 
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v3
+        uses: golangci/golangci-lint-action@v4
         with:
           version: latest
 
diff --git a/.golangci.yml b/.golangci.yml
index e71e5b5..0c51458 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -15,6 +15,7 @@ linters-settings:
 
 linters:
   enable:
+    - megacheck
     - revive
     - govet
     - unconvert
@@ -23,7 +24,6 @@ linters:
     - gocyclo
     - dupl
     - misspell
-    - unparam
     - typecheck
     - ineffassign
     - stylecheck
@@ -41,7 +41,4 @@ run:
   output:
     format: tab
   skip-dirs:
-    - vendor
-
-issues:
-  exclude-use-default: false
+    - vendor
\ No newline at end of file
diff --git a/v2/.golangci.yml b/v2/.golangci.yml
deleted file mode 100644
index 3143c29..0000000
--- a/v2/.golangci.yml
+++ /dev/null
@@ -1,44 +0,0 @@
-linters-settings:
-  govet:
-    check-shadowing: true
-  gocyclo:
-    min-complexity: 15
-  misspell:
-    locale: US
-  gocritic:
-    enabled-tags:
-      - performance
-      - style
-      - experimental
-    disabled-checks:
-      - wrapperFunc
-
-linters:
-  enable:
-    - gocritic
-    - megacheck
-    - revive
-    - govet
-    - unconvert
-    - megacheck
-    - gas
-    - gocyclo
-    - dupl
-    - misspell
-    - unused
-    - typecheck
-    - ineffassign
-    - stylecheck
-    - gochecknoinits
-    - exportloopref
-    - nakedret
-    - gosimple
-    - prealloc
-  fast: false
-  disable-all: true
-
-run:
-  output:
-    format: tab
-  skip-dirs:
-    - vendor
\ No newline at end of file