diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.0.0.5
+
+- Bumped lower bound on `monoidmap`.
+
 # 0.0.0.4
 
 - Refreshed documentation.
diff --git a/monoidmap-aeson.cabal b/monoidmap-aeson.cabal
--- a/monoidmap-aeson.cabal
+++ b/monoidmap-aeson.cabal
@@ -1,6 +1,6 @@
 cabal-version:  3.0
 name:           monoidmap-aeson
-version:        0.0.0.4
+version:        0.0.0.5
 bug-reports:    https://github.com/jonathanknowles/monoidmap-aeson/issues
 license:        Apache-2.0
 license-file:   LICENSE
@@ -31,7 +31,7 @@
 common dependency-monoid-subclasses
     build-depends:monoid-subclasses             >= 1.2.3      && < 1.3
 common dependency-monoidmap
-    build-depends:monoidmap                     >= 0.0.3.0    && < 0.1
+    build-depends:monoidmap                     >= 0.0.4.4    && < 0.1
 common dependency-QuickCheck
     build-depends:QuickCheck                    >= 2.14.2     && < 2.16
 common dependency-quickcheck-classes