diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -2,6 +2,12 @@
 
 `keyed-vals-mem` uses [PVP Versioning][1].
 
+## 0.2.3.4 -- 2026-01-14
+
+Changed
+
+* Relax upper bounds on the containers dependency
+
 ## 0.2.3.2 -- 2025-03-25
 
 Changed
diff --git a/keyed-vals-mem.cabal b/keyed-vals-mem.cabal
--- a/keyed-vals-mem.cabal
+++ b/keyed-vals-mem.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               keyed-vals-mem
-version:            0.2.3.2
+version:            0.2.3.4
 license:            BSD-3-Clause
 license-file:       LICENSE
 maintainer:         adetokunbo@emio.la
@@ -44,7 +44,7 @@
   build-depends:
     , base           >=4.11     && <5.0
     , bytestring     >=0.10.8.2 && <0.11 || >=0.11.3 && <0.12.5
-    , containers     >=0.6.5    && <0.8
+    , containers     >=0.6.5    && <0.10
     , keyed-vals     >=0.1      && <0.3
     , text           >=1.2.4    && <1.3  || >=2.0
     , unliftio       >=0.2.22   && <0.3