diff --git a/.github/workflows/compliance.yml b/.github/workflows/compliance.yml
index 66bc154..a11f0fa 100644
--- a/.github/workflows/compliance.yml
+++ b/.github/workflows/compliance.yml
@@ -24,7 +24,7 @@
         curl -fsSL https://github.com/summerwind/h2spec/releases/download/${H2SPEC_VERSION}/h2spec_linux_amd64.tar.gz -o h2spec.tar.gz
         tar xvf h2spec.tar.gz
         sudo install -m755 h2spec /usr/local/bin/h2spec
-        echo "::set-output name=version::${H2SPEC_VERSION}"
+        echo "version=${H2SPEC_VERSION}" >> $GITHUB_OUTPUT
     - name: Compile HAProxy with ${{ matrix.CC }}
       run: |
         make -j$(nproc) all \
@@ -47,7 +47,7 @@
         fi
         echo "::endgroup::"
         haproxy -vv
-        echo "::set-output name=version::$(haproxy -v |awk 'NR==1{print $3}')"
+        echo "version=$(haproxy -v |awk 'NR==1{print $3}')" >> $GITHUB_OUTPUT
     - name: Launch HAProxy ${{ steps.show-version.outputs.version }}
       run: haproxy -f .github/h2spec.config -D
     - name: Run h2spec ${{ steps.install-h2spec.outputs.version }}
diff --git a/.github/workflows/vtest.yml b/.github/workflows/vtest.yml
index ea39662..70ea9ca 100644
--- a/.github/workflows/vtest.yml
+++ b/.github/workflows/vtest.yml
@@ -50,7 +50,7 @@
     - name: Generate cache key
       id: generate-cache-key
       run: |
-        echo "::set-output name=key::$(echo ${{ matrix.name }} | sha256sum | awk '{print $1}')"
+        echo "key=$(echo ${{ matrix.name }} | sha256sum | awk '{print $1}')" >> $GITHUB_OUTPUT
 
     - name: Cache SSL libs
       if: ${{ matrix.ssl && matrix.ssl != 'stock' && matrix.ssl != 'BORINGSSL=yes' && matrix.ssl != 'QUICTLS=yes' }}
@@ -138,7 +138,7 @@
         fi
         echo "::endgroup::"
         haproxy -vv
-        echo "::set-output name=version::$(haproxy -v |awk 'NR==1{print $3}')"
+        echo "version=$(haproxy -v |awk 'NR==1{print $3}')" >> $GITHUB_OUTPUT
     - name: Install problem matcher for VTest
       # This allows one to more easily see which tests fail.
       run: echo "::add-matcher::.github/vtest.json"
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 58283ff..002c1c1 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -61,4 +61,4 @@
       id: show-version
       run: |
         ./haproxy -vv
-        echo "::set-output name=version::$(./haproxy -v |awk 'NR==1{print $3}')"
+        echo "version=$(./haproxy -v |awk 'NR==1{print $3}')" >> $GITHUB_OUTPUT