diff --git a/ascii-group.cabal b/ascii-group.cabal
--- a/ascii-group.cabal
+++ b/ascii-group.cabal
@@ -1,7 +1,7 @@
 cabal-version: 3.0
 
 name: ascii-group
-version: 1.0.0.16
+version: 1.0.0.17
 synopsis: ASCII character groups
 category: Data, Text
 
@@ -17,14 +17,10 @@
 maintainer: Chris Martin, Julie Moronuki
 
 homepage: https://github.com/typeclasses/ascii-group
-bug-Reports: https://github.com/typeclasses/ascii-group/issues
+bug-reports: https://github.com/typeclasses/ascii-group/issues
 
 extra-source-files: *.md
 
-source-repository head
-    type: git
-    location: git://github.com/typeclasses/ascii-group.git
-
 common base
     default-language: GHC2021
     ghc-options: -Wall
@@ -34,7 +30,7 @@
 
     build-depends:
       , ascii-char ^>= 1.0
-      , base ^>= 4.16 || ^>= 4.17 || ^>= 4.18
+      , base ^>= 4.16 || ^>= 4.17 || ^>= 4.18 || ^>= 4.19
 
 library
     import: base
@@ -48,7 +44,7 @@
         StandaloneDeriving
 
     build-depends:
-      , hashable ^>= 1.4.2
+      , hashable ^>= 1.4.0
 
     exposed-modules:
         ASCII.Group
@@ -61,7 +57,7 @@
 
     build-depends:
       , ascii-group
-      , hedgehog ^>= 1.1.2 || ^>= 1.2
+      , hspec ^>= 2.10 || ^>= 2.11
 
     default-extensions:
         OverloadedStrings
diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,7 @@
+### 1.0.0.17 (2023-12-31)
+
+Change test-suite to `hspec`
+
 ### 1.0.0.16 (2023-06-26)
 
 Raise language to GHC2021
diff --git a/license.txt b/license.txt
--- a/license.txt
+++ b/license.txt
@@ -1,4 +1,4 @@
-Copyright 2021 Mission Valley Software LLC
+Copyright 2021 Chris Martin
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/test/Main.hs b/test/Main.hs
--- a/test/Main.hs
+++ b/test/Main.hs
@@ -1,92 +1,39 @@
 module Main (main) where
 
-import ASCII.Char (Char (..), allCharacters)
 import ASCII.Group
-import Control.Monad (Monad (..), when)
-import Data.Bool (not)
+
+import Test.Hspec
+
+import ASCII.Char (Char (..), allCharacters)
+import Data.Bool (Bool(..))
 import Data.Foldable (all)
 import Data.Function (($))
 import Data.List (filter, length)
-import Hedgehog
-  ( Property,
-    assert,
-    checkParallel,
-    discover,
-    property,
-    withTests,
-    (===),
-  )
-import System.Exit (exitFailure)
 import System.IO (IO)
 
 main :: IO ()
-main = checkParallel $$(discover) >>= \ok -> when (not ok) exitFailure
-
-prop_letter :: Property
-prop_letter =
-  withTests 1 $
-    property $
-      charGroup CapitalLetterA === Printable
-
-prop_control :: Property
-prop_control =
-  withTests 1 $
-    property $
-      charGroup EndOfTransmission === Control
-
-prop_not_printable :: Property
-prop_not_printable =
-  withTests 1 $
-    property $
-      assert $
-        not $
-          inGroup Printable EndOfTransmission
-
-prop_is_control :: Property
-prop_is_control =
-  withTests 1 $
-    property $
-      assert $
-        inGroup Control EndOfTransmission
+main = hspec $ do
+  it "" $ charGroup CapitalLetterA `shouldBe` Printable
+  it "" $ charGroup EndOfTransmission `shouldBe` Control
+  it "" $ inGroup Printable EndOfTransmission `shouldBe` False
+  it "" $ inGroup Control EndOfTransmission `shouldBe` True
 
--- It is perhaps surprising that space is considered a
--- "printable" character, since it does not visibly appear.
-prop_space_is_printable :: Property
-prop_space_is_printable =
-  withTests 1 $
-    property $
-      charGroup Space === Printable
+  it "It is perhaps surprising that space is considered a\
+     \ \"printable\" character, since it does not visibly appear." $
+    charGroup Space `shouldBe` Printable
 
--- It is perhaps surprising that horizontal tab is not
--- in the same category as space.
-prop_horizontal_tab_is_control :: Property
-prop_horizontal_tab_is_control =
-  withTests 1 $
-    property $
-      charGroup HorizontalTab === Control
+  it "It is perhaps surprising that horizontal tab is not\
+     \ in the same category as space." $
+    charGroup HorizontalTab `shouldBe` Control
 
-prop_various_printables :: Property
-prop_various_printables =
-  withTests 1 $
-    property $
-      assert $
-        all (inGroup Printable) [CapitalLetterA, SmallLetterZ, Digit4, Tilde]
+  it "" $
+    all (inGroup Printable) [CapitalLetterA, SmallLetterZ, Digit4, Tilde]
+      `shouldBe` True
 
-prop_various_controls :: Property
-prop_various_controls =
-  withTests 1 $
-    property $
-      assert $
-        all (inGroup Control) [Null, Substitute, UnitSeparator, Delete]
+  it "" $
+    all (inGroup Control) [Null, Substitute, UnitSeparator, Delete]
+      `shouldBe` True
 
-prop_count_printables :: Property
-prop_count_printables =
-  withTests 1 $
-    property $
-      length (filter (inGroup Printable) allCharacters) === 95
+  it "" $ length (filter (inGroup Printable) allCharacters) `shouldBe` 95
 
-prop_count_controls :: Property
-prop_count_controls =
-  withTests 1 $
-    property $
-      length (filter (inGroup Control) allCharacters) === 33
+  it "" $ length (filter (inGroup Control) allCharacters) `shouldBe` 33