diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for cbor-tool
 
+## 0.2.2.0  -- 2019-12-29
+
+* Version bumps and support for GHC 8.8
+
 ## 0.1.0.0  -- 2017-07-28
 
 * First version. Released on an unsuspecting world.
diff --git a/cbor-tool.cabal b/cbor-tool.cabal
--- a/cbor-tool.cabal
+++ b/cbor-tool.cabal
@@ -1,5 +1,5 @@
 name:                cbor-tool
-version:             0.2.1.0
+version:             0.2.2.0
 synopsis:            A tool for manipulating CBOR.
 description:         A tool for dumping and converting CBOR-encoded data.
 homepage:            https://github.com/well-typed/cborg
@@ -14,13 +14,15 @@
 build-type:          Simple
 extra-source-files:  ChangeLog.md
 cabal-version:       >=1.10
+tested-with:
+  GHC == 7.8.4, GHC == 7.10.3, GHC == 8.0.2, GHC == 8.2.2, GHC == 8.4.4, GHC == 8.6.5, GHC==8.8.1
 
 executable cbor-tool
   main-is:             Main.hs
   other-extensions:    CPP, BangPatterns
   ghc-options:         -Wall
   build-depends:
-    base >=4.6 && <5.0,
+    base >=4.7 && <5.0,
     filepath >=1.0 && <1.5,
     aeson >=0.7 && <1.5,
     aeson-pretty >=0.8 && <0.9,