diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -2,6 +2,10 @@
 
 `mem-info` uses [PVP Versioning][1].
 
+## 0.4.1.2 -- 2026-01-14
+
+- Relax the upper bound on the containers dependency
+
 ## 0.4.1.1 -- 2025-06-04
 
 - Relax the upper bound on the optparse-applicative dependency
diff --git a/mem-info.cabal b/mem-info.cabal
--- a/mem-info.cabal
+++ b/mem-info.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               mem-info
-version:            0.4.1.1
+version:            0.4.1.2
 synopsis:           Print the core memory usage of programs
 description:
   A utility to accurately report the core memory usage of programs.
@@ -48,7 +48,7 @@
   build-depends:
     , base                  >=4.10   && <5
     , bytestring            >=0.10.8.2  && <0.11 || >=0.11.3.1 && <0.13
-    , containers            >=0.6.5  && <0.8
+    , containers            >=0.6.5  && <0.10
     , directory             >=1.3.6  && <1.5
     , filepath              >=1.4.2  && <1.6
     , fmt                   >=0.6.3  && <0.8