diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index ced83a5..c4f75b0 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -12,7 +12,7 @@ jobs:
     name: build & run tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: docker build
diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
index 2507c88..0e2b7bb 100644
--- a/.github/workflows/dotnet.yml
+++ b/.github/workflows/dotnet.yml
@@ -15,7 +15,7 @@ jobs:
       fullSemVer: ${{ steps.gitversion.outputs.fullSemVer }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -26,11 +26,11 @@ jobs:
       - id: gitversion
         uses: gittools/actions/gitversion/execute@v3.1.11
 
-      - uses: actions/setup-dotnet@v4.3.1
+      - uses: actions/setup-dotnet@v5.0.1
         with:
           dotnet-version: 6.0.x
 
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         env:
           NUGET_PACKAGES: ${{ github.workspace }}/.nuget/packages
         with:
@@ -66,7 +66,7 @@ jobs:
             src/json-ld.net/json-ld.net.csproj \
             --output ${{ github.workspace }}/nugets/
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v6
         with:
           name: nugets
           path: nugets
@@ -78,12 +78,12 @@ jobs:
 
     steps:
       - name: download artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v7
         with:
           name: nugets
 
       - name: setup dotnet
-        uses: actions/setup-dotnet@v4.3.1
+        uses: actions/setup-dotnet@v5.0.1
         with:
           dotnet-version: 6.0.x
           source-url: https://nuget.pkg.github.com/linked-data-dotnet/index.json
@@ -99,11 +99,11 @@ jobs:
     needs: build
 
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v7
         with:
           name: nugets
 
-      - uses: actions/setup-dotnet@v4.3.1
+      - uses: actions/setup-dotnet@v5.0.1
         with:
           dotnet-version: 6.0.x
           source-url: https://api.nuget.org/v3/index.json
@@ -119,7 +119,7 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/')
 
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v7
         with:
           name: nugets