diff --git a/.github/workflows/code_formatting.yml b/.github/workflows/code_formatting.yml
index aab347d78..5c0196d2e 100644
--- a/.github/workflows/code_formatting.yml
+++ b/.github/workflows/code_formatting.yml
@@ -4,7 +4,7 @@ on: [push, pull_request]
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v1
diff --git a/tools/ci.sh b/tools/ci.sh
index 5d9f8d479..6c3914b14 100755
--- a/tools/ci.sh
+++ b/tools/ci.sh
@@ -18,7 +18,6 @@ function ci_gcc_arm_setup {
 # code formatting
 
 function ci_code_formatting_setup {
-    sudo apt-add-repository --yes --update ppa:pybricks/ppa
     sudo apt-get install uncrustify
     pip3 install black
     uncrustify --version