diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,12 @@
 See also http://pvp.haskell.org/faq
 
+0.6.3.1
+-------
+
+* Allow `QuickCheck-2.16`.
+* Tested with GHC 8.4 - 9.12.
+
+
 0.6.3.0
 -------
 
diff --git a/hackage-security.cabal b/hackage-security.cabal
--- a/hackage-security.cabal
+++ b/hackage-security.cabal
@@ -1,6 +1,6 @@
 cabal-version:       1.12
 name:                hackage-security
-version:             0.6.3.0
+version:             0.6.3.1
 
 synopsis:            Hackage security library
 description:         The hackage security library provides both server and
@@ -32,7 +32,7 @@
 
 tested-with:
   GHC == 9.12.2
-  GHC == 9.10.1
+  GHC == 9.10.2
   GHC == 9.8.4
   GHC == 9.6.7
   GHC == 9.4.8
@@ -213,7 +213,7 @@
                          -- tasty-1.1.0.4 is the version in Stackage LTS 12.26 (GHC 8.4)
                        tasty-hunit           == 0.10.*,
                        tasty-quickcheck      >= 0.10     && < 1,
-                       QuickCheck            >= 2.11     && < 2.16,
+                       QuickCheck            >= 2.11     && < 2.17,
                        aeson                 >= 1.4      && < 1.6 || >= 2.0 && < 2.3,
                        vector                >= 0.12     && < 0.14,
                        unordered-containers  >= 0.2.8.0  && < 0.3,
diff --git a/tests/TestSuite.hs b/tests/TestSuite.hs
--- a/tests/TestSuite.hs
+++ b/tests/TestSuite.hs
@@ -2,14 +2,14 @@
 module Main (main) where
 
 -- stdlib
-import Control.Exception
-import Control.Monad
+import Control.Exception ( handleJust )
+import Control.Monad ( unless )
 import Data.Maybe (fromJust)
-import Data.Time
-import Network.URI (URI, parseURI)
-import Test.Tasty
-import Test.Tasty.HUnit
-import Test.Tasty.QuickCheck hiding (label)
+import Data.Time ( UTCTime, getCurrentTime )
+import Network.URI ( URI, parseURI )
+import Test.Tasty ( defaultMain, testGroup, TestTree )
+import Test.Tasty.HUnit ( testCase, (@?=), assertEqual, assertFailure, Assertion )
+import Test.Tasty.QuickCheck ( testProperty )
 import System.IO.Temp (withSystemTempDirectory)
 import qualified Codec.Archive.Tar.Entry    as Tar
 import qualified Data.ByteString.Lazy.Char8 as BS
