diff --git a/Control/Concurrent/MVar/Strict.hs b/Control/Concurrent/MVar/Strict.hs
--- a/Control/Concurrent/MVar/Strict.hs
+++ b/Control/Concurrent/MVar/Strict.hs
@@ -1,6 +1,5 @@
 {-# LANGUAGE CPP, BangPatterns,
-             MagicHash, UnboxedTuples, ScopedTypeVariables
-#-}
+             MagicHash, UnboxedTuples, ScopedTypeVariables #-}
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Control.Concurrent.MVar.Strict
diff --git a/strict-concurrency.cabal b/strict-concurrency.cabal
--- a/strict-concurrency.cabal
+++ b/strict-concurrency.cabal
@@ -1,5 +1,5 @@
 Name:           strict-concurrency
-Version:        0.2.4.2
+Version:        0.2.4.3
 Synopsis:       Strict concurrency abstractions
 Category:       Control
 Description:
@@ -17,6 +17,29 @@
 Homepage:       https://github.com/ygale/strict-concurrency
 Cabal-version:  >=1.10
 Build-type:     Simple
+Tested-with:    GHC == 7.0.4,
+                GHC == 7.2.1,
+                GHC == 7.2.2,
+                GHC == 7.4.1,
+                GHC == 7.4.2,
+                GHC == 7.6.1,
+                GHC == 7.6.2,
+                GHC == 7.6.3,
+                GHC == 7.8.1,
+                GHC == 7.8.2,
+                GHC == 7.8.3,
+                GHC == 7.8.4
+                GHC == 7.10.1,
+                GHC == 7.10.2,
+                GHC == 7.10.3
+                GHC == 8.0.1,
+                GHC == 8.0.2
+                GHC == 8.2.1,
+                GHC == 8.2.2
+                GHC == 8.4.1,
+                GHC == 8.4.2,
+                GHC == 8.4.3
+                GHC == 8.6.1
 
 Source-repository HEAD
   type:         git
@@ -26,7 +49,7 @@
   default-language: Haskell2010
   hs-source-dirs:   .
   build-depends:    base >= 4 && < 5
-                  , deepseq >= 1
+                  , deepseq >= 1.4.2 && < 1.5
   ghc-options:      -Wall
   exposed-modules:  Control.Concurrent.MVar.Strict
                     Control.Concurrent.Chan.Strict