Index: b/hledger.cabal
===================================================================
--- a/hledger.cabal
+++ b/hledger.cabal
@@ -104,7 +104,7 @@ library
     , HUnit
     , mtl
     , old-time
-    , megaparsec >=5.0 && < 5.3
+    , megaparsec >=5.0 && < 5.4
     , regex-tdfa
     , safe >=0.2
     , split >=0.1 && <0.3
