--- a/microstache.cabal
+++ b/microstache.cabal
@@ -40,7 +40,7 @@
 
 library
   build-depends:
-    aeson                  >=0.11    && < 1.3,
+    aeson                  >=0.11    && < 1.4,
     base                   >=4.5     && < 5.0,
     bytestring             >=0.9.2.1 && < 0.11,
     containers             >=0.4.2.1 && < 0.6,
