diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 67756d8d..013eb12b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,22 +20,22 @@ jobs:
       SystemLinqAsyncVersion: ${{matrix.systemLinqAsync}}
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-dotnet@v3
+    - uses: actions/checkout@v4
+    - uses: actions/setup-dotnet@v4
       name: Install Current .NET SDK
-    - uses: actions/setup-dotnet@v3
+    - uses: actions/setup-dotnet@v4
       name: 'Install .NET SDK 3.1'
       with:
         dotnet-version: '3.1.x'
-    - uses: actions/setup-dotnet@v3
+    - uses: actions/setup-dotnet@v4
       name: 'Install .NET SDK 5.0'
       with:
         dotnet-version: '5.0.x'
-    - uses: actions/setup-dotnet@v3
+    - uses: actions/setup-dotnet@v4
       name: 'Install .NET SDK 7.0'
       with:
         dotnet-version: '7.0.x'
-    - uses: actions/setup-dotnet@v3
+    - uses: actions/setup-dotnet@v4
       name: 'Install .NET SDK 6.0'
       with:
         dotnet-version: '6.0.x'
@@ -51,8 +51,8 @@ jobs:
     name: Trimming and AOT Test
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-dotnet@v3
+    - uses: actions/checkout@v4
+    - uses: actions/setup-dotnet@v4
       name: Install Current .NET SDK
     - name: Run trimming test
       run: dotnet publish -c Release Funcky.TrimmingTest -r linux-x64 --self-contained /p:TreatWarningsAsErrors=true
@@ -63,12 +63,12 @@ jobs:
     name: Generate NuGet Packages
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-dotnet@v3
+    - uses: actions/checkout@v4
+    - uses: actions/setup-dotnet@v4
       name: Install Current .NET SDK
     - name: Generate NuGet Packages
       run: dotnet pack --output nupkg
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       if: success() && github.ref == 'refs/heads/main'
       with:
         name: nupkg
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 929041b2..09f4ce0f 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -14,14 +14,14 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-dotnet@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-dotnet@v4
         name: Install Current .NET SDK
       - name: Setup mdBook
-        uses: peaceiris/actions-mdbook@v1
+        uses: peaceiris/actions-mdbook@v2
         with:
           mdbook-version: '0.4.2'
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
           node-version: '16'
       - run: yarn install
@@ -32,7 +32,7 @@ jobs:
       - name: Build Website and Documentation
         run: dotnet fsi Website/build.fsx
       - name: Upload GitHub Pages Artifact
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@v3
 
   deploy_pages:
     needs: build
@@ -50,4 +50,4 @@ jobs:
     steps:
     - name: Deploy to GitHub Pages
       id: deployment
-      uses: actions/deploy-pages@v2
+      uses: actions/deploy-pages@v4
diff --git a/.github/workflows/publish-nightly-package.yml b/.github/workflows/publish-nightly-package.yml
index 7d36db7b..aa4a8e78 100644
--- a/.github/workflows/publish-nightly-package.yml
+++ b/.github/workflows/publish-nightly-package.yml
@@ -9,8 +9,8 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-dotnet@v3
+    - uses: actions/checkout@v4
+    - uses: actions/setup-dotnet@v4
       name: Install Current .NET SDK
     - name: Pack Packages
       run: dotnet pack Funcky/Funcky.csproj --output nupkg --version-suffix "nightly.$(git rev-parse --short "${{github.sha}}")"