diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+1.4.6
+
+* Increase upper bound on `Win32`
+
 1.4.5
 
 * Add `grepText`, `uniq`, `nub`, `sort` to `Turtle.Prelude`
diff --git a/turtle.cabal b/turtle.cabal
--- a/turtle.cabal
+++ b/turtle.cabal
@@ -1,5 +1,5 @@
 Name: turtle
-Version: 1.4.5
+Version: 1.4.6
 Cabal-Version: >=1.10
 Build-Type: Simple
 License: BSD3
@@ -72,7 +72,7 @@
         optional-args        >= 1.0     && < 2.0 ,
         unix-compat          >= 0.4     && < 0.6
     if os(windows)
-        Build-Depends: Win32 >= 2.2.0.1 && < 2.4
+        Build-Depends: Win32 >= 2.2.0.1 && < 2.6
     else
         Build-Depends: unix  >= 2.5.1.0 && < 2.8
     Exposed-Modules: