diff --git a/.github/workflows/build-and-release.yml b/.github/workflows/build-and-release.yml
index 89500bf..09194a5 100644
--- a/.github/workflows/build-and-release.yml
+++ b/.github/workflows/build-and-release.yml
@@ -9,7 +9,7 @@ env:
 jobs:
   build-paraview:
     name: Build ParaView Superbuild
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout ParaView
@@ -21,8 +21,8 @@ jobs:
           sudo apt-get update
           sudo apt-get -y install build-essential libgl1-mesa-dev \
           libxt-dev python3-dev python3-numpy libopenmpi-dev libtbb-dev \
-          ninja-build libosmesa6 libosmesa6-dev llvm-12-dev
-          sudo update-alternatives --install /usr/bin/llvm-config llvm-config /usr/bin/llvm-config-12 12
+          ninja-build libosmesa6 libosmesa6-dev llvm-14-dev
+          sudo update-alternatives --install /usr/bin/llvm-config llvm-config /usr/bin/llvm-config-14 14
 
       - name: Configure
         run: |
@@ -61,7 +61,7 @@ jobs:
     name: Create release
     needs: build-paraview
     if: github.ref_type == 'tag' && startsWith(github.ref_name, 'v')
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     permissions:
       contents: write
 
diff --git a/README.md b/README.md
index cbda92a..9f9f55e 100644
--- a/README.md
+++ b/README.md
@@ -6,11 +6,11 @@
 A repository with a GitHub action to build and package[^1]
 [ParaView](https://github.com/Kitware/ParaView) using the
 [Superbuild](https://gitlab.kitware.com/paraview/paraview-superbuild) on the
-Ubuntu 20.04 GitHub action runners.
+Ubuntu 22.04 GitHub action runners.
 
 The build is/will be used in the GitHub action which tests the [ParaView
 Catalyst](https://www.paraview.org/in-situ/) instrumentation in GRChombo. It is
-built against the Ubuntu 20.04 system libraries so is unlikely to work on other
+built against the Ubuntu 22.04 system libraries so is unlikely to work on other
 Linux distributions with different library/package versions.
 
 The build has the following features: