diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for javelin
 
+## Release 0.1.4.1
+
+* Explicit support for GHC 9.12
+
 ## Release 0.1.4.0
 
 * Added the `toSeriesDuplicates` method to the `IsSeries` typeclass, to more easily convert to a series
diff --git a/javelin.cabal b/javelin.cabal
--- a/javelin.cabal
+++ b/javelin.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               javelin
-version:            0.1.4.0
+version:            0.1.4.1
 synopsis:           Labeled one-dimensional arrays
 license:            MIT
 license-file:       LICENSE
@@ -10,10 +10,11 @@
 build-type:         Simple
 extra-doc-files:    CHANGELOG.md
                     files/aapl.txt
-tested-with:        GHC ==9.10.1
+tested-with:        GHC ==9.12.1
+                     || ==9.10.1
                      || ==9.8.4
                      || ==9.6.4
-                     || ==9.4.8  
+                     || ==9.4.8
 description:
         
         This package implements 'Series', labeled one-dimensional arrays