diff --git a/CHANGES.md b/CHANGES.md
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,20 @@
+0.3.1 (24 March 2022)
+---------------------
+
+  - Remove support for `transformers-0.3`
+  - Remove dependency on `transformers-compat`
+
+0.3-r2 (28 Dec 2021)
+--------------------
+
+  - Allow `base-4.16`, `transformers-0.6`, `transformers-compat-0.7`
+  - Test with GHC through 9.2
+
+0.3-r1 (28 May 2021)
+--------------------
+
+  - Builds with GHC 7.10 through 9.0
+
 0.3 (13 November 2019)
 ----------------------
 
diff --git a/statestack.cabal b/statestack.cabal
--- a/statestack.cabal
+++ b/statestack.cabal
@@ -1,5 +1,5 @@
 Name:                statestack
-Version:             0.3
+Version:             0.3.1
 Synopsis:            Simple State-like monad transformer with saveable and restorable state
 Description:         Simple State-like monad transformer where states can be saved to
                      and restored from an internal stack.
@@ -12,7 +12,7 @@
 Build-type:          Simple
 Cabal-version:       >=1.10
 Bug-reports:         http://github.com/diagrams/statestack/issues
-Tested-with:         GHC ==7.10.3 || ==8.0.2 || ==8.2.2 || ==8.4.3 || ==8.6.5 || ==8.8.1
+Tested-with:         GHC ==7.10.3 || ==8.0.2 || ==8.2.2 || ==8.4.4 || ==8.6.5 || ==8.8.4 || ==8.10.4 || ==9.0.1 || ==9.2.1
 Source-repository head
   type: git
   location: git://github.com/diagrams/statestack
@@ -20,7 +20,6 @@
 Library
   Default-language:    Haskell2010
   Exposed-modules:     Control.Monad.StateStack
-  Build-depends:       base >= 4.8 && < 4.14,
+  Build-depends:       base >= 4.8 && < 4.17,
                        mtl >= 2.1 && < 2.3,
-                       transformers >= 0.3 && < 0.6,
-                       transformers-compat >= 0.4 && < 0.7
+                       transformers >= 0.4 && < 0.7