diff --git a/.github/workflows/ci-go.yml b/.github/workflows/ci-go.yml
index 881726dce..65c68db7a 100644
--- a/.github/workflows/ci-go.yml
+++ b/.github/workflows/ci-go.yml
@@ -28,18 +28,7 @@ jobs:
     strategy:
       matrix:
         go-version: [ '1.21', '1.20' ]
-        terraform-version:
-          - '0.12'
-          - '0.13'
-          - '0.14'
-          - '0.15'
-          - '1.0'
-          - '1.1'
-          - '1.2'
-          - '1.3'
-          - '1.4'
-          - '1.5'
-          - '1.6'
+        terraform-version: ${{ fromJSON(vars.TF_VERSIONS_PROTOCOL_V5) }}
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 693553568..0fe1a9c01 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,10 +11,6 @@ on:
 permissions:
   contents: read # Changelog commit operations use service account PAT
 
-env:
-  CI_COMMIT_AUTHOR: hc-github-team-tf-provider-devex
-  CI_COMMIT_EMAIL: github-team-tf-provider-devex@hashicorp.com
-
 jobs:
   changelog-version:
     runs-on: ubuntu-latest
@@ -47,11 +43,11 @@ jobs:
           args: merge
       - name: Git push changelog
         run: |
-          git config --global user.name "${{ env.CI_COMMIT_AUTHOR }}"
-          git config --global user.email "${{ env.CI_COMMIT_EMAIL }}"
+          git config --global user.name "${{ vars.TF_DEVEX_CI_COMMIT_AUTHOR }}"
+          git config --global user.email "${{ vars.TF_DEVEX_CI_COMMIT_EMAIL }}"
           git add .
           git commit -a -m "Update changelog"
-          git push "https://${{ env.CI_COMMIT_AUTHOR }}:${{ secrets.TF_DEVEX_COMMIT_GITHUB_TOKEN }}@github.com/${{ github.repository }}.git"
+          git push "https://${{ vars.TF_DEVEX_CI_COMMIT_AUTHOR }}:${{ secrets.TF_DEVEX_COMMIT_GITHUB_TOKEN }}@github.com/${{ github.repository }}.git"
 
   release-tag:
     needs: changelog
@@ -70,11 +66,11 @@ jobs:
 
       - name: Git push release tag
         run: |
-          git config --global user.name "${{ env.CI_COMMIT_AUTHOR }}"
-          git config --global user.email "${{ env.CI_COMMIT_EMAIL }}"
+          git config --global user.name "${{ vars.TF_DEVEX_CI_COMMIT_AUTHOR }}"
+          git config --global user.email "${{ vars.TF_DEVEX_CI_COMMIT_EMAIL }}"
           
           git tag "${{ inputs.versionNumber }}"
-          git push "https://${{ env.CI_COMMIT_AUTHOR }}:${{ secrets.TF_DEVEX_COMMIT_GITHUB_TOKEN }}@github.com/${{ github.repository }}.git" "${{ inputs.versionNumber }}"
+          git push "https://${{ vars.TF_DEVEX_CI_COMMIT_AUTHOR }}:${{ secrets.TF_DEVEX_COMMIT_GITHUB_TOKEN }}@github.com/${{ github.repository }}.git" "${{ inputs.versionNumber }}"
 
   goreleaser:
     needs: [ changelog-version, changelog, release-tag ]