diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4a8ca4f..ed89612 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -87,7 +87,7 @@ jobs:
           # supported, so we can detect when an even-more-recent version of ghc
           # is released and breaks hawk.
           - name: newest
-            ghc: 8.10.4
+            ghc: 9.6.4
             os: ubuntu-latest
 
     steps:
diff --git a/.github/workflows/installation-methods.yml b/.github/workflows/installation-methods.yml
index 7fa50dc..358eafd 100644
--- a/.github/workflows/installation-methods.yml
+++ b/.github/workflows/installation-methods.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        ghc: ["8.10.4"]
+        ghc: ["9.6.4"]
         os: ["ubuntu-latest", "macos-latest"]
         method: ["v1-install", "v2-install", "v2-run", "cabal-sandbox"]
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4fe1090..fd2bd8f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # What's new?
 
+## Next
+* support ghc-8.10, ghc-9.0, ghc-9.2, ghc-9.4, and ghc-9.6
+* drop support for ghc-8.0
+
 ## New in 1.2.0.1
 * support ghc-8.6 again and back to ghc-8.0 (Stackage LTS 9)
 * fix missing test files in released tarball (#257)
diff --git a/haskell-awk.cabal b/haskell-awk.cabal
index 0cc0aa6..8151782 100644
--- a/haskell-awk.cabal
+++ b/haskell-awk.cabal
@@ -18,7 +18,7 @@ license-file:   LICENSE
 build-type:     Custom
 tested-with:
     GHC==8.0.2
-  , GHC==8.10.4
+  , GHC==9.6.4
 extra-source-files:
     README.md
     CHANGELOG.md
diff --git a/package.yaml b/package.yaml
index 80ddb9f..8299390 100644
--- a/package.yaml
+++ b/package.yaml
@@ -93,4 +93,4 @@ tests:
 
 tested-with:
   - GHC==8.0.2
-  - GHC==8.10.4
+  - GHC==9.6.4
diff --git a/stack.yaml b/stack.yaml
index e8a8edd..c57863d 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,4 +1,4 @@
-resolver: lts-17.15
+resolver: lts-22.9
 packages:
 - .
 extra-deps: []