diff --git a/CHANGELOG.md b/CHANGELOG.md
index bda5975..4e4ec7d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for nothunks
 
+## 0.3.1 -- 2024-08-13
+
+* Make it build with ghc-9.12.
+
 ## 0.3.0 -- 2024-08-13
 
 * Include _both_ `Context` _and_ `Info` in `ThunkInfo` (#54)
diff --git a/nothunks.cabal b/nothunks.cabal
index f217ffd..2fa1a8c 100644
--- a/nothunks.cabal
+++ b/nothunks.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               nothunks
-version:            0.3.0.0
+version:            0.3.1
 synopsis:           Examine values for unexpected thunks
 description:        Long lived application data typically should not contain
                     any thunks. This library can be used to examine values for