diff --git a/IHP/Zip/ControllerFunctions.hs b/IHP/Zip/ControllerFunctions.hs
--- a/IHP/Zip/ControllerFunctions.hs
+++ b/IHP/Zip/ControllerFunctions.hs
@@ -60,5 +60,3 @@
 
         headers :: ResponseHeaders
         headers = [ contentType, contentDisposition ]
-
-hContentDisposition = "Content-Disposition"
diff --git a/ihp-zip.cabal b/ihp-zip.cabal
--- a/ihp-zip.cabal
+++ b/ihp-zip.cabal
@@ -1,6 +1,6 @@
 cabal-version:       2.2
 name:                ihp-zip
-version:             0.1.1
+version:             0.1.2
 synopsis:            Support for making ZIP archives with IHP
 description:         Provides the @renderZip@ / @renderZipUnnamed@ controller
                      helpers for streaming a @Codec.Archive.Zip.Archive@
@@ -23,7 +23,7 @@
 library
     default-language: GHC2021
     build-depends:
-          base        >= 4.17 && < 4.22
+          base        >= 4.17 && < 4.23
         , ihp         >= 1.5  && < 2
         , zip-archive >= 0.4  && < 0.5
         , wai         >= 3.2  && < 3.3