diff --git a/mmark-cli.cabal b/mmark-cli.cabal
index 4bc101d..475f99b 100644
--- a/mmark-cli.cabal
+++ b/mmark-cli.cabal
@@ -33,7 +33,7 @@ executable mmark
     build-depends:
         aeson >=0.11 && <3,
         base >=4.15 && <5,
-        bytestring >=0.9.2 && <0.12,
+        bytestring >=0.9.2 && <0.13,
         directory >=1.2.2 && <1.4,
         gitrev >=1.3 && <1.4,
         lucid >=2.6 && <3,