diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,10 @@
 # Revision history for hspec-need-env
 
+## 0.1.0.1  -- 2018-10-01
+
+* Confirm test with `base-4.12.0.0`
+
+
 ## 0.1.0.0  -- 2018-07-18
 
 * First version. Released on an unsuspecting world.
diff --git a/hspec-need-env.cabal b/hspec-need-env.cabal
--- a/hspec-need-env.cabal
+++ b/hspec-need-env.cabal
@@ -1,5 +1,5 @@
 name:                   hspec-need-env
-version:                0.1.0.0
+version:                0.1.0.1
 author:                 Toshio Ito <debug.ito@gmail.com>
 maintainer:             Toshio Ito <debug.ito@gmail.com>
 license:                BSD3
@@ -21,7 +21,7 @@
   -- other-extensions:     
   exposed-modules:      Test.Hspec.NeedEnv
   -- other-modules:        
-  build-depends:        base >=4.6.0.0 && <4.12,
+  build-depends:        base >=4.6.0.0 && <4.13,
                         hspec-expectations >=0.7.2 && <0.9,
                         hspec-core >=2.2.4 && <2.6