diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -56,3 +56,4 @@
 * [Simon Hengel](https://github.com/sol)
 * [Alberto Valverde](https://github.com/albertov)
 * [Andrew Rademacher](https://github.com/AndrewRademacher)
+* [Peter Simons](https://github.com/peti)
diff --git a/changelog b/changelog
--- a/changelog
+++ b/changelog
@@ -1,3 +1,7 @@
+# 0.3.0
+* MTL compatibility updates.
+# 0.2.6
+* Package test files
 # 0.2.5
 * GHC 7.10 support
 # 0.2.4
diff --git a/cron.cabal b/cron.cabal
--- a/cron.cabal
+++ b/cron.cabal
@@ -1,5 +1,5 @@
 Name:                cron
-Version:             0.2.6
+Version:             0.3.0
 Description:
   Cron data structure and Attoparsec parser. The idea is to embed it in larger
   systems which want to roll their own scheduled tasks in a format that people
@@ -46,7 +46,8 @@
                   text            >= 0.11 && < 2,
                   time            >= 1.4,
                   old-locale      >= 1.0,
-                  mtl             >= 2.2
+                  mtl             >= 2.0.1,
+                  mtl-compat      >= 0.2.1
 
 test-suite spec
   Type:           exitcode-stdio-1.0
@@ -65,7 +66,7 @@
                   attoparsec            >= 0.10,
                   text                  >= 0.11 && < 2,
                   time                  >= 1.4,
-                  transformers          >= 0.4
+                  transformers-compat   >= 0.4
   Ghc-Options: -threaded -rtsopts
 
 source-repository head