diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 131061e..d74c128 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -42,7 +42,7 @@ jobs:
 
     - name: Install dotnet SDK - ubuntu
       if: ${{ matrix.os == 'ubuntu-22.04' }}
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '6.0.x'
     - name: Install iqsharp  - ubuntu
@@ -53,7 +53,7 @@ jobs:
 
     - name: Install dotnet SDK - mac os
       if: ${{ matrix.os == 'macos-12' }}
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '6.0.x'
     - name: Install iqsharp - mac os
@@ -65,7 +65,7 @@ jobs:
 
     - name: Install dotnet SDK  - windows
       if: ${{ matrix.os == 'windows-2022' }}
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '6.0.x'
     - name: Install iqsharp - windows
@@ -171,7 +171,7 @@ jobs:
     - name: Install extension
       run: for w in `find wheelhouse/ -type f -name "*.whl"` ; do pip install $w ; done
     - name: Install dotnet SDK
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '6.0.x'
     - name: Install iqsharp
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 4544fd6..c6df870 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -23,7 +23,7 @@ jobs:
     - name: Install pytket qsharp
       run: pip install .
     - name: Install dotnet SDK
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '6.0.x'
     - name: Install iqsharp