diff --git a/brittany.cabal b/brittany.cabal
index f6cc16e..bc6764a 100644
--- a/brittany.cabal
+++ b/brittany.cabal
@@ -100,7 +100,7 @@ library {
     , directory >=1.2.6.2 && <1.4
     , butcher >=1.3.1 && <1.4
     , yaml >=0.8.18 && <0.9
-    , aeson >=1.0.1.0 && <1.3
+    , aeson >=1.0.1.0 && <1.4
     , extra >=1.4.10 && <1.7
     , uniplate >=1.6.12 && <1.7
     , strict >=0.3.2 && <0.4