diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fbe1094..92167d7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,8 +6,8 @@ jobs:
   fmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: goto-bus-stop/setup-zig@v1
+      - uses: actions/checkout@v4
+      - uses: goto-bus-stop/setup-zig@v2
         with:
           version: master
       - run: zig fmt --check *.zig src/*.zig
@@ -18,8 +18,8 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{matrix.os}}
     steps:
-      - uses: actions/checkout@v3
-      - uses: goto-bus-stop/setup-zig@v1
+      - uses: actions/checkout@v4
+      - uses: goto-bus-stop/setup-zig@v2
         with:
           version: master
       - run: zig build test
@@ -27,7 +27,7 @@ jobs:
   macos-with-openssl:
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: install dependencies
         run: |
@@ -43,11 +43,11 @@ jobs:
   create-container:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: docker/setup-buildx-action@v2
+      - uses: docker/setup-buildx-action@v3
 
-      - uses: docker/build-push-action@v2
+      - uses: docker/build-push-action@v5
         with:
           file: Dockerfile
           tags: tls13-zig:tls13zig_base
@@ -57,7 +57,7 @@ jobs:
           cache-to: type=gha,mode=max,scope=buildx-${{ github.workflow }}-${{ github.job }}
           outputs: type=docker,dest=/tmp/tls13-zig.tar
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
           name: tls13-zig
           path: /tmp/tls13-zig.tar
@@ -67,11 +67,11 @@ jobs:
     runs-on: ubuntu-latest
     needs: create-container
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: docker/setup-buildx-action@v2
+      - uses: docker/setup-buildx-action@v3
 
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4
         with:
           name: tls13-zig
           path: /tmp
@@ -90,11 +90,11 @@ jobs:
     runs-on: ubuntu-latest
     needs: create-container
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: docker/setup-buildx-action@v2
+      - uses: docker/setup-buildx-action@v3
 
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4
         with:
           name: tls13-zig
           path: /tmp
@@ -116,11 +116,11 @@ jobs:
     runs-on: ubuntu-latest
     needs: create-container
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: docker/setup-buildx-action@v2
+      - uses: docker/setup-buildx-action@v3
 
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4
         with:
           name: tls13-zig
           path: /tmp
@@ -139,11 +139,11 @@ jobs:
     runs-on: ubuntu-latest
     needs: create-container
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: docker/setup-buildx-action@v2
+      - uses: docker/setup-buildx-action@v3
 
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4
         with:
           name: tls13-zig
           path: /tmp
@@ -165,11 +165,11 @@ jobs:
     runs-on: ubuntu-latest
     needs: create-container
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: docker/setup-buildx-action@v2
+      - uses: docker/setup-buildx-action@v3
 
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4
         with:
           name: tls13-zig
           path: /tmp
@@ -188,11 +188,11 @@ jobs:
     runs-on: ubuntu-latest
     needs: create-container
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: docker/setup-buildx-action@v2
+      - uses: docker/setup-buildx-action@v3
 
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v4
         with:
           name: tls13-zig
           path: /tmp