diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index dd02a577687..28a921f03af 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -53,7 +53,7 @@ jobs:
       matrix:
         sys:
           - { os: windows-latest, shell: "C:/msys64/usr/bin/bash.exe -e {0}" }
-          - { os: ubuntu-22.04, shell: bash }
+          - { os: ubuntu-latest, shell: bash }
           - { os: macos-latest, shell: bash }
         ghc:
           [
@@ -250,6 +250,7 @@ jobs:
 
   validate-old-ghcs:
     name: Validate old ghcs ${{ matrix.extra-ghc }}
+    # latest/latest doesn't have the old packages the old ghcs depend on
     runs-on: ubuntu-22.04
     needs: validate
 
@@ -257,7 +258,7 @@ jobs:
       matrix:
         extra-ghc:
           ["8.6.5", "8.4.4", "8.2.2", "8.0.2"]
-          ## GHC 7.10.3 does not install on ubuntu-22.04 with ghcup.
+          ## GHC 7.10.3 does not install on ubuntu-latest with ghcup.
           ## Older GHCs are not supported by ghcup in the first place.
       fail-fast: false
 
@@ -388,7 +389,7 @@ jobs:
       matrix:
         sys:
           - { os: windows-latest, shell: "C:/msys64/usr/bin/bash.exe -e {0}" }
-          - { os: ubuntu-22.04, shell: bash }
+          - { os: ubuntu-latest, shell: bash }
           - { os: macos-latest, shell: bash }
         # We only use one ghc version the used one for the next release (defined at top of the workflow)
         # We need to build an array dynamically to inject the appropiate env var in a previous job,