diff --git a/filepath.cabal b/filepath.cabal
index fef0a540b23afca6d27de516fa3e7cdba791ba62..f609f6ca5cab0fb3f9b0e4bee932e4ecf1fd7fc4 100644
--- a/filepath.cabal
+++ b/filepath.cabal
@@ -48,7 +48,7 @@ library
         System.FilePath.Windows
 
     build-depends:
-        base >= 4.9 && < 4.15
+        base >= 4 && < 4.16
 
     ghc-options: -Wall