diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -2,6 +2,12 @@
 
 `keyed-vals-hspec-tests` uses [PVP Versioning][1].
 
+## 0.2.3.4 -- 2026-01-14
+
+Changed
+
+* Relax upper bounds on the containers dependency
+
 ## 0.2.3.3 -- 2026-01-14
 
 Changed
diff --git a/keyed-vals-hspec-tests.cabal b/keyed-vals-hspec-tests.cabal
--- a/keyed-vals-hspec-tests.cabal
+++ b/keyed-vals-hspec-tests.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               keyed-vals-hspec-tests
-version:            0.2.3.3
+version:            0.2.3.4
 license:            BSD-3-Clause
 license-file:       LICENSE
 maintainer:         adetokunbo@emio.la
@@ -38,7 +38,7 @@
     , base           >=4.11     && <5.0
     , bytestring     >=0.10.8.2 && <0.11 || >=0.11.3 && <0.12.5
     , benri-hspec    >=0.1      && <0.2
-    , containers     >=0.6.5    && <0.8
+    , containers     >=0.6.5    && <0.10
     , hspec          >=2.7      && <2.12
     , http-api-data  >=0.5      && <0.9
     , keyed-vals     >=0.2      && <0.3