diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for staversion
 
+## 0.2.3.7  -- 2020-06-21
+
+* Confirm test with `base-4.14.0.0`.
+
 ## 0.2.3.6  -- 2020-05-30
 
 * Confirm test with `http-client-0.7.0` and `aeson-1.5.0.0`.
diff --git a/staversion.cabal b/staversion.cabal
--- a/staversion.cabal
+++ b/staversion.cabal
@@ -1,5 +1,5 @@
 name:                   staversion
-version:                0.2.3.6
+version:                0.2.3.7
 author:                 Toshio Ito <debug.ito@gmail.com>
 maintainer:             Toshio Ito <debug.ito@gmail.com>
 license:                BSD3
@@ -56,7 +56,7 @@
                         Staversion.Internal.HTTP,
                         Staversion.Internal.Megaparsec,
                         Staversion.Internal.EIO
-  build-depends:        base >=4.8 && <4.14,
+  build-depends:        base >=4.8 && <4.15,
                         unordered-containers >=0.2.3 && <0.3,
                         aeson >=0.8.0 && <1.6,
                         text >=0.11.3 && <1.3,
