diff --git a/radix-tree.cabal b/radix-tree.cabal
index b4cb614..c553756 100644
--- a/radix-tree.cabal
+++ b/radix-tree.cabal
@@ -144,7 +144,7 @@ test-suite properties
                   , hspec      >= 2 && < 3
                   , primitive
                   , radix-tree
-                  , random     >= 1.2.0 && < 1.3
+                  , random     >= 1.2.0 && < 1.4
                   , text
 
   default-language: Haskell2010