diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8a464c6..1d5b7ee 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,6 +12,15 @@ env:
   PYPI_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
   PYPI_USERNAME: "__token__"
   TRAVIS_OS_NAME: linux
+  DOTNETVERSION: |
+      6.0.x
+      3.1.301
+  GOVERSION: 1.22.x
+  GRADLEVERSION: "7.6"
+  JAVAVERSION: "11"
+  NODEVERSION: 20.x
+  PYTHONVERSION: 3.11.8
+
 jobs:
   build_sdk:
     name: build_sdk
@@ -31,7 +40,7 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@v3
       with:
-        go-version: ${{matrix.goversion}}
+        go-version: ${{ env.GOVERSION }}
     - name: Install pulumictl
       uses: jaxxstorm/action-install-gh-release@v1.9.0
       with:
@@ -41,16 +50,16 @@ jobs:
     - name: Setup Node
       uses: actions/setup-node@v3
       with:
-        node-version: ${{matrix.nodeversion}}
+        node-version: ${{ env.NODEVERSION }}
         registry-url: https://registry.npmjs.org
     - name: Setup DotNet
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: ${{matrix.dotnetversion}}
+        dotnet-version: ${{ env.DOTNETVERSION }}
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
-        python-version: ${{matrix.pythonversion}}
+        python-version: ${{ env.PYTHONVERSION }}
     - name: Download provider + tfgen binaries
       uses: actions/download-artifact@v3
       with:
@@ -79,19 +88,12 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        dotnetversion:
-        - 3.1.301
-        goversion:
-        - 1.21.x
         language:
         - nodejs
         - python
         - dotnet
         - go
-        nodeversion:
-        - 18.x
-        pythonversion:
-        - "3.9"
+
   prerequisites:
     name: prerequisites
     runs-on: ubuntu-latest
@@ -109,7 +111,7 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@v3
       with:
-        go-version: ${{matrix.goversion}}
+        go-version: ${{ env.GOVERSION }}
     - name: Install pulumictl
       uses: jaxxstorm/action-install-gh-release@v1.9.0
       with:
@@ -149,15 +151,7 @@ jobs:
         path: ${{ github.workspace }}/bin/provider.tar.gz
     strategy:
       fail-fast: true
-      matrix:
-        dotnetversion:
-        - 3.1.301
-        goversion:
-        - 1.21.x
-        nodeversion:
-        - 18.x
-        pythonversion:
-        - "3.9"
+
   test:
     name: test
     needs: build_sdk
@@ -176,7 +170,7 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@v3
       with:
-        go-version: ${{matrix.goversion}}
+        go-version: ${{ env.GOVERSION }}
     - name: Install pulumictl
       uses: jaxxstorm/action-install-gh-release@v1.9.0
       with:
@@ -186,16 +180,16 @@ jobs:
     - name: Setup Node
       uses: actions/setup-node@v3
       with:
-        node-version: ${{matrix.nodeversion}}
+        node-version: ${{ env.NODEVERSION }}
         registry-url: https://registry.npmjs.org
     - name: Setup DotNet
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: ${{matrix.dotnetversion}}
+        dotnet-version: ${{ env.DOTNETVERSION }}
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
-        python-version: ${{matrix.pythonversion}}
+        python-version: ${{ env.PYTHONVERSION }}
     - name: Download provider + tfgen binaries
       uses: actions/download-artifact@v3
       with:
@@ -227,19 +221,12 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        dotnetversion:
-        - 3.1.301
-        goversion:
-        - 1.21.x
         language:
         - nodejs
         - python
         - dotnet
         - go
-        nodeversion:
-        - 18.x
-        pythonversion:
-        - "3.9"
+
 permissions:
   contents: write