diff --git a/proto3-wire.cabal b/proto3-wire.cabal
index 5e79194..d7073e8 100644
--- a/proto3-wire.cabal
+++ b/proto3-wire.cabal
@@ -80,7 +80,7 @@ test-suite tests
     , bytestring >=0.10.6.0 && <0.13.0
     , cereal >= 0.5.1 && <0.6
     , containers >=0.5 && <0.8
-    , doctest >= 0.7.0 && <0.24.0
+    , doctest >= 0.7.0 && <0.25.0
     , proto3-wire
     , QuickCheck >=2.8 && <3.0
     , tasty >= 0.11 && <1.6