diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4fe0951ce..850ba89fc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -159,6 +159,10 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
+    - name: Install ghc
+      run: |
+        ghcup install ghc --set 9.4.4
+
     # declare/restore cached things
 
     - name: Cache cabal global package db
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index ba4a60dfb..f6779ee9c 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -44,6 +44,9 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
+    - name: Install ghc
+      run: |
+        ghcup install ghc --set 9.4.4
     - name: Install dependencies
       run: |
           cabal update