diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 4cb7f8c..13a9533 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -29,7 +29,7 @@ jobs:
   golangci-lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v2.4.2
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v2.5.2
         with:
@@ -46,7 +46,7 @@ jobs:
         golang:
           - 1.16.x
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v2.4.2
       - name: Install Go
         uses: actions/setup-go@v2
         with:
@@ -65,7 +65,7 @@ jobs:
       OS: macos-latest
       GOLANG: ${{ matrix.golang }}
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v2.4.2
       - name: Install Go
         uses: actions/setup-go@v2
         with:
@@ -106,7 +106,7 @@ jobs:
       OS: ubuntu-latest
       GOLANG: ${{ matrix.golang }}
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v2.4.2
       - name: Install Go
         uses: actions/setup-go@v2
         with:
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 4ffd771..d3b5238 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -11,7 +11,7 @@ jobs:
     name: Release-Notes Preview
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2.4.0
+    - uses: actions/checkout@v2.4.2
     - run: |
         git fetch --prune --unshallow --tags
     - uses: snyk/release-notes-preview@v1.6.2
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0729ad4..2a5fc00 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,7 +11,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v2.4.2
       -
         name: Unshallow
         run: git fetch --prune --unshallow
diff --git a/go.mod b/go.mod
index 12ec821..eb608a8 100644
--- a/go.mod
+++ b/go.mod
@@ -3,9 +3,9 @@ module moul.io/zapfilter
 go 1.13
 
 require (
-	github.com/stretchr/testify v1.7.0
+	github.com/stretchr/testify v1.7.1
 	github.com/tailscale/depaware v0.0.0-20210622194025-720c4b409502
 	go.uber.org/atomic v1.8.0 // indirect
 	go.uber.org/multierr v1.7.0 // indirect
-	go.uber.org/zap v1.20.0
+	go.uber.org/zap v1.21.0
 )
diff --git a/go.sum b/go.sum
index 1ea8ce0..f6eebad 100644
--- a/go.sum
+++ b/go.sum
@@ -19,8 +19,9 @@ github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAm
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/tailscale/depaware v0.0.0-20210622194025-720c4b409502 h1:34icjjmqJ2HPjrSuJYEkdZ+0ItmGQAQ75cRHIiftIyE=
 github.com/tailscale/depaware v0.0.0-20210622194025-720c4b409502/go.mod h1:p9lPsd+cx33L3H9nNoecRRxPssFKUwwI50I3pZ0yT+8=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
@@ -33,8 +34,8 @@ go.uber.org/goleak v1.1.11/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
 go.uber.org/multierr v1.7.0 h1:zaiO/rmgFjbmCXdSYJWQcdvOCsthmdaHfr3Gm2Kx4Ec=
 go.uber.org/multierr v1.7.0/go.mod h1:7EAYxJLBy9rStEaz58O2t4Uvip6FSURkq8/ppBp95ak=
-go.uber.org/zap v1.20.0 h1:N4oPlghZwYG55MlU6LXk/Zp00FVNE9X9wrYO8CEs4lc=
-go.uber.org/zap v1.20.0/go.mod h1:wjWOCqI0f2ZZrJF/UufIOkiC8ii6tm1iqIsLo76RfJw=
+go.uber.org/zap v1.21.0 h1:WefMeulhovoZ2sYXz7st6K0sLj7bBhpiFaud4r4zST8=
+go.uber.org/zap v1.21.0/go.mod h1:wjWOCqI0f2ZZrJF/UufIOkiC8ii6tm1iqIsLo76RfJw=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=