diff --git a/CHANGELOG.md b/CHANGELOG.md
index e93f80b..f68d20d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 ## Changelog for Weeder
 
+### [`2.4.0`][v2.4.0] - *2022-05-22*
+
+- Weeder has been upgraded to support GHC 9.2 (only). As this changes the
+  format of `.hie` files accepted, this is a major version bump.
+
 ### [`2.3.1`][v2.3.1] - *2022-05-21*
 
 This is the last release of `weeder` compatible with GHC 9.0.
@@ -15,7 +20,7 @@ This is the last release of `weeder` compatible with GHC 9.0.
     a, b :: Int
     (a, b) = (xxx, 1)
     ```
-    
+
     ... `weeder` will determine that both `a` and `b` depend on `xxx`. While this is an over-approximation, it prevents weeder from reporting false positives. For more information, see [#92](https://github.com/ocharles/weeder/issues/92).
 
 - Corrected a typo in `--help` ([#96](https://github.com/ocharles/weeder/pull/96)).
diff --git a/weeder.cabal b/weeder.cabal
index e491271..c239afa 100644
--- a/weeder.cabal
+++ b/weeder.cabal
@@ -5,7 +5,7 @@ name:          weeder
 author:        Ollie Charles <ollie@ocharles.org.uk>
 maintainer:    Ollie Charles <ollie@ocharles.org.uk>
 build-type:    Simple
-version:       2.3.1
+version:       2.4.0
 copyright:     Neil Mitchell 2017-2020, Oliver Charles 2020
 synopsis:      Detect dead code
 description:   Find declarations.