diff --git a/zip.cabal b/zip.cabal
index bd950eb..7e303f3 100644
--- a/zip.cabal
+++ b/zip.cabal
@@ -52,7 +52,7 @@ library
     default-language: GHC2021
     build-depends:
         base >=4.15 && <5,
-        bytestring >=0.9 && <0.12,
+        bytestring >=0.9 && <0.13,
         case-insensitive >=1.2.0.2 && <1.3,
         cereal >=0.3 && <0.6,
         conduit >=1.3 && <1.4,
@@ -124,7 +124,7 @@ test-suite tests
     build-depends:
         base >=4.15 && <5,
         QuickCheck >=2.4 && <3,
-        bytestring >=0.9 && <0.12,
+        bytestring >=0.9 && <0.13,
         conduit >=1.3 && <1.4,
         containers >=0.5 && <0.7,
         directory >=1.2.2 && <1.4,