diff --git a/trial/trial.cabal b/trial/trial.cabal
index 513f193..09bdf4a 100644
--- a/trial/trial.cabal
+++ b/trial/trial.cabal
@@ -113,7 +113,7 @@ test-suite trial-test
 
   build-depends:       trial
                      , dlist
-                     , hedgehog >= 1.0 && < 1.6
+                     , hedgehog >= 1.0 && < 1.8
                      , hspec >= 2.7 && < 2.12
                      , hspec-hedgehog >= 0.0.1.1 && < 0.4