diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
index 882daed..ae6428c 100644
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,5 +1,5 @@
-next [????.??.??]
------------------
+3.4.2 [2023.04.17]
+------------------
 * Remove unused dependency on `semigroups`.
 
 3.4.1 [2023.04.14]
diff --git a/vector-instances.cabal b/vector-instances.cabal
index 915f677..1293f8e 100644
--- a/vector-instances.cabal
+++ b/vector-instances.cabal
@@ -1,5 +1,5 @@
 name:                vector-instances
-version:             3.4.1
+version:             3.4.2
 synopsis:            Orphan Instances for 'Data.Vector'
 description:         Orphan Instances for 'Data.Vector'.
 homepage:            http://github.com/ekmett/vector-instances