diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index bb2909a..21ab860 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -11,7 +11,7 @@ on:
   workflow_dispatch:
 
 env:
-  SERVICE_NAME: sso
+  SERVICE: sso
   PYTHON_VERSION: 3.8
 
 jobs:
@@ -79,22 +79,24 @@ jobs:
         working-directory: ./backend
         run: pipenv requirements > requirements.txt
 
+      - name: ⚙️ Set Service Name
+        run: |
+          echo "SERVICE_NAME=$(
+            if [ ${{ github.ref_name }} == 'production' ]
+            then echo ${{ env.SERVICE }}
+            else echo ${{ github.ref_name }}-${{ env.SERVICE }}
+            fi
+          )" >> $GITHUB_ENV
+
       # https://mikefarah.gitbook.io/yq/
       - name: 🖊️ Configure App Deployment
         uses: mikefarah/yq@master
         with:
           cmd: |
-            SERVICE_NAME=$(
-              if [ ${{ github.ref_name }} == "production" ]
-              then echo ${{ env.SERVICE_NAME }}
-              else echo ${{ github.ref_name }}-${{ env.SERVICE_NAME }}
-              fi
-            )
-
             yq -i '
-              .service = "${{ github.ref_name }}-${{ env.SERVICE_NAME }}" |
-              .env_variables.SECRET_KEY = "${{ vars.SECRET_KEY }}" |
-              .env_variables.SERVICE_NAME = "$SERVICE_NAME"
+              .service = "${{ github.ref_name }}-${{ env.SERVICE }}" |
+              .env_variables.SECRET_KEY = "${{ secrets.SECRET_KEY }}" |
+              .env_variables.SERVICE_NAME = "${{ env.SERVICE_NAME }}"
             ' backend/app.yaml
 
       - name: 🚀 Deploy App on GCloud
diff --git a/backend/Pipfile.lock b/backend/Pipfile.lock
index b358fa3..dd1bd06 100644
--- a/backend/Pipfile.lock
+++ b/backend/Pipfile.lock
@@ -155,7 +155,7 @@
         },
         "codeforlife": {
             "git": "https://github.com/ocadotechnology/codeforlife-package-python.git",
-            "ref": "f9e2256e2a6e354907a5c29e225e3944ed45a32e"
+            "ref": "85cd22c040104bc58172275f1c0a71b842aae78d"
         },
         "codeforlife-portal": {
             "hashes": [
@@ -816,7 +816,7 @@
                 "sha256:0123cacc1627ae19ddf3c27a5de5bd67ee4586fbdd6440d9748f8abb483d3e86",
                 "sha256:961d03dc3453ebbc59dbdea9e4e11c5651520a876d0f4db161e8674aae935da9"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'",
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.8.2"
         },
         "pytz": {
@@ -965,7 +965,7 @@
                 "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
                 "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'",
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.16.0"
         },
         "sortedcontainers": {
diff --git a/backend/app.yaml b/backend/app.yaml
index c89dca0..9381239 100644
--- a/backend/app.yaml
+++ b/backend/app.yaml
@@ -1,5 +1,5 @@
 runtime: python38
-instance_class: F2
+instance_class: F4
 service: REPLACE_ME
 
 inbound_services: