diff --git a/hackage-server.cabal b/hackage-server.cabal
index a4f4f92c..6bea36a2 100644
--- a/hackage-server.cabal
+++ b/hackage-server.cabal
@@ -580,7 +580,7 @@ test-suite VouchTest
   type: exitcode-stdio-1.0
   main-is: VouchTest.hs
   build-depends:
-    , tasty        ^>= 1.4
+    , tasty        ^>= 1.5
     , tasty-hunit  ^>= 0.10
 
 test-suite ReverseDependenciesTest