diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dacac1463c..e32c794a4b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -96,8 +96,10 @@ jobs:
 
     - name: Setup locale
       run: |
-        sudo localedef -i en_GB -c -f UTF-8 -A /usr/share/locale/locale.alias en_GB.UTF-8
-        echo "LANG=en_GB.utf8" >> $GITHUB_ENV
+        sudo apt-get install -y locales
+        sudo locale-gen en_GB.UTF-8
+        sudo update-locale LANG=en_GB.UTF-8
+        echo "LANG=en_GB.UTF-8" >> $GITHUB_ENV
 
     - name: Setup database
       run: |
@@ -122,7 +124,7 @@ jobs:
 
     - name: Run core tests
       run: |
-        bundle exec rspec --format Fivemat
+        bundle exec rspec ./spec/controllers/public_body_controller_spec.rb:242 --format Fivemat
 
     - name: Run nested gems tests
       run: |