diff --git a/posix-timer.cabal b/posix-timer.cabal
--- a/posix-timer.cabal
+++ b/posix-timer.cabal
@@ -1,5 +1,5 @@
 Name: posix-timer
-Version: 0.3
+Version: 0.3.0.1
 Category: System
 Stability: experimental
 Synopsis: Bindings to POSIX clock and timer functions.
@@ -19,6 +19,9 @@
 Build-Type: Simple
 
 Extra-Source-Files: include/posix-timer.macros.h
+
+Tested-With: GHC==7.0.4, GHC==7.4.2, GHC==7.6.3, GHC==7.8.4,
+             GHC==7.10.3, GHC==8.0.2, GHC==8.2.2
 
 Source-Repository head
   Type: git
