diff --git a/.github/workflows/stack.yml b/.github/workflows/stack.yml
index bf9bc5a..b2e5fd4 100644
--- a/.github/workflows/stack.yml
+++ b/.github/workflows/stack.yml
@@ -19,6 +19,7 @@ jobs:
           - resolver: lts-20  # GHC 9.2
           - resolver: lts-21  # GHC 9.4
           - resolver: lts-22  # GHC 9.6
+          - resolver: lts-23  # GHC 9.8
 
     steps:
       - name: Clone project