diff --git a/CHANGES.md b/CHANGES.md
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,11 @@
 `HUnit-approx` changelog
 ========================
 
+1.1.1.1
+-------
+
+* Drop support for GHCs lower than 7.2.
+
 1.1.1
 -----
 
diff --git a/HUnit-approx.cabal b/HUnit-approx.cabal
--- a/HUnit-approx.cabal
+++ b/HUnit-approx.cabal
@@ -1,5 +1,5 @@
 name:           HUnit-approx
-version:        1.1.1
+version:        1.1.1.1
 cabal-version:  >= 1.10
 synopsis:       Approximate equality for floating point numbers with HUnit
 homepage:       https://github.com/goldfirere/HUnit-approx
@@ -12,7 +12,7 @@
 license:        BSD3
 license-file:   LICENSE
 build-type:     Simple
-tested-with:    GHC == 7.0.4, GHC == 7.2.2, GHC == 7.4.2, GHC == 7.6.3,
+tested-with:    GHC == 7.4.2, GHC == 7.6.3,
                 GHC == 7.8.4, GHC == 7.10.3, GHC == 8.0.2, GHC == 8.2.1
 description:
     This package exports combinators useful in comparing floating-point numbers
@@ -21,7 +21,7 @@
 source-repository this
   type:     git
   location: https://github.com/goldfirere/HUnit-approx.git
-  tag:      v1.1.1
+  tag:      v1.1.1.1
 
 library
   build-depends:      
diff --git a/Test/HUnit/Approx.hs b/Test/HUnit/Approx.hs
--- a/Test/HUnit/Approx.hs
+++ b/Test/HUnit/Approx.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE ImplicitParams, CPP #-}
+{-# LANGUAGE ImplicitParams, CPP, ConstraintKinds #-}
 #if __GLASGOW_HASKELL__ >= 709
 {-# LANGUAGE Safe #-}       -- Test.HUnit is not Safe in 7.8 and below
 #endif