diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,9 @@
 # Revision history for monoid-map
 
-## 2021-11-17
+## v0.1.1.0
+
+* Remove dependency on `appendmap`
+* Add version bounds
+
+## v0.1.0.0
 * Added the code for Data.MonoidMap.
diff --git a/monoid-map.cabal b/monoid-map.cabal
--- a/monoid-map.cabal
+++ b/monoid-map.cabal
@@ -1,22 +1,23 @@
 cabal-version:      2.4
 name:               monoid-map
-version:            0.1.0.0
-synopsis:           Newtype wrapper around 'Data.Map.Monoidal.MonoidalMap' that has a correct 'Group' instance.
+version:            0.1.1.0
+synopsis:           A monoidal map with the right group instance
 description:
-  The 'Group' instance for Data.MonoidMap has a unique neutral element,
-  as compared to 'Data.Map.Monoidal.MonoidalMap'.
+  Newtype wrapper around 'Data.Map.Monoidal.MonoidalMap' that has a correct
+  'Group' instance.  The 'Group' instance for Data.MonoidMap has a unique
+  neutral element, as compared to 'Data.Map.Monoidal.MonoidalMap'.
 
 homepage:           https://github.com/obsidiansystems/monoid-map
-bug-reports:
-  https://github.com/obsidiansystems/monoid-map/issues
-
+bug-reports:        https://github.com/obsidiansystems/monoid-map/issues
 license:            BSD-3-Clause
 license-file:       LICENSE
 author:             Obsidian Systems LLC
 maintainer:         maintainer@obsidian.systems
 copyright:          (c) 2021 Obsidian Systems LLC
 category:           Data
-extra-source-files: CHANGELOG.md README.md
+extra-source-files:
+  CHANGELOG.md
+  README.md
 
 library
   exposed-modules:  Data.MonoidMap
@@ -28,10 +29,15 @@
     UndecidableInstances
 
   build-depends:
-      appendmap
-    , base >= 4 && < 5
-    , monoidal-containers
-    , reflex
-    , witherable
+    , base                 >=4   && <5
+    , monoidal-containers  ^>=0.6
+    , reflex               ^>=0.8
+    , witherable           >=0.3 && <0.5
+
   hs-source-dirs:   src
   default-language: Haskell2010
+  ghc-options:      -Wall
+
+source-repository head
+  type: git
+  location: https://github.com/obsidiansystems/monoid-map
diff --git a/src/Data/MonoidMap.hs b/src/Data/MonoidMap.hs
--- a/src/Data/MonoidMap.hs
+++ b/src/Data/MonoidMap.hs
@@ -14,7 +14,6 @@
 module Data.MonoidMap where
 
 import Data.Witherable
-import Data.AppendMap
 import Data.Map.Monoidal (MonoidalMap)
 import Data.Map.Monoidal as Map
 import Data.Semigroup (Semigroup, (<>))