diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,13 @@
 # Revision history for ghc-trace-events
 
+## v0.1.2.4 - 2021-12-09
+
+* Relax upper version bound for base to support GHC 9.2.1
+
 ## v0.1.2.3 - 2021-06-28
 
 * Relax upper version bound for tasty-bench ([#6](https://github.com/maoe/ghc-trace-events/pull/6))
+
 ## v0.1.2.2 - 2021-02-26
 
 * Support GHC 9.0.1 ([#5](https://github.com/maoe/ghc-trace-events/pull/5))
diff --git a/ghc-trace-events.cabal b/ghc-trace-events.cabal
--- a/ghc-trace-events.cabal
+++ b/ghc-trace-events.cabal
@@ -1,6 +1,6 @@
 cabal-version: 2.2
 name: ghc-trace-events
-version: 0.1.2.3
+version: 0.1.2.4
 synopsis: Faster traceEvent and traceMarker, and binary object logging for
   eventlog
 description: ghc-trace-events provides faster traceEvent and traceMarker as well
@@ -42,10 +42,11 @@
   || == 8.4.4
   || == 8.6.5
   || == 8.8.4
-  || == 8.10.4
+  || == 8.10.7
   || == 9.0.1
+  || == 9.2.1
 
-common base { build-depends: base >= 4.8 && < 4.16 }
+common base { build-depends: base >= 4.8 && < 4.17 }
 common bytestring { build-depends: bytestring >= 0.9.2 && < 0.12 }
 common criterion { build-depends: criterion < 1.6 }
 common ghc-trace-events { build-depends: ghc-trace-events }