diff --git a/Changelog.md b/Changelog.md
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 1.1.0.1
+
+* Supports GHC 9.8
+* Drops Support for GHC <9
+
 ## 1.1.0.0
 
 * Supports GHC 9.6
diff --git a/sized.cabal b/sized.cabal
--- a/sized.cabal
+++ b/sized.cabal
@@ -1,11 +1,11 @@
 cabal-version: 2.0
 name:          sized
-version:       1.1.0.0
+version:       1.1.0.1
 license:       BSD3
 license-file:  LICENSE
 maintainer:    konn.jinro_at_gmail.com
 author:        Hiromi ISHII
-tested-with:   GHC ==8.8.4 || ==8.10.7 || ==9.0.2 || ==9.2.7 || ==9.4.4 || ==9.6.1
+tested-with:   GHC ==9.0.2 || ==9.2.8 || ==9.4.8 || ==9.6.3 || ==9.8.1
 extra-doc-files: ./Changelog.md
 synopsis:      Sized sequence data-types
 description:
diff --git a/test/Shared.hs b/test/Shared.hs
--- a/test/Shared.hs
+++ b/test/Shared.hs
@@ -10,11 +10,13 @@
 inspecting :: String -> Obligation -> ExpQ
 inspecting title obl = inspectTest $ obl {testName = Just title}
 
-data GHCVer = GHC8_8 | GHC8_10 | GHC9_0 | GHC9_2 | GHC9_4 | GHC9_6
+data GHCVer = GHC8_8 | GHC8_10 | GHC9_0 | GHC9_2 | GHC9_4 | GHC9_6 | GHC9_8
   deriving (Show, Eq, Ord)
 
 ghcVer :: GHCVer
-#if __GLASGOW_HASKELL__ == 906
+#if __GLASGOW_HASKELL__ == 908
+ghcVer = GHC9_8
+#elif __GLASGOW_HASKELL__ == 906
 ghcVer = GHC9_6
 #elif __GLASGOW_HASKELL__ == 904
 ghcVer = GHC9_4