diff --git a/configs/templates/types.ede b/configs/templates/types.ede
index 39cec7b5dcc..9d7d240409a 100644
--- a/configs/templates/types.ede
+++ b/configs/templates/types.ede
@@ -1,7 +1,7 @@
-{-# LANGUAGE DisambiguateRecordFields #-}
-{-# LANGUAGE NoImplicitPrelude        #-}
-{-# LANGUAGE OverloadedStrings        #-}
-{-# LANGUAGE StrictData               #-}
+{-# LANGUAGE DuplicateRecordFields #-}
+{-# LANGUAGE NoImplicitPrelude     #-}
+{-# LANGUAGE OverloadedStrings     #-}
+{-# LANGUAGE StrictData            #-}
 
 {-# OPTIONS_GHC -fno-warn-unused-matches #-}
 
diff --git a/flake.lock b/flake.lock
index c19088fed99..42a34442e42 100644
--- a/flake.lock
+++ b/flake.lock
@@ -38,11 +38,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1687709756,
-        "narHash": "sha256-Y5wKlQSkgEK2weWdOu4J3riRd+kV/VCgHsqLNTTWQ/0=",
+        "lastModified": 1701680307,
+        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "dbabf0ca0c0c4bce6ea5eaf65af5cb694d2082c7",
+        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
         "type": "github"
       },
       "original": {
@@ -74,11 +74,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1687793116,
-        "narHash": "sha256-6xRgZ2E9r/BNam87vMkHJ/0EPTTKzeNwhw3abKilEE4=",
+        "lastModified": 1704626572,
+        "narHash": "sha256-VwRTEKzK4wSSv64G+g3RLF3t6yBHrhR2VK3kZ5UWisU=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "9e4e0807d2142d17f463b26a8b796b3fe20a3011",
+        "rev": "24fe8bb4f552ad3926274d29e083b79d84707da6",
         "type": "github"
       },
       "original": {
@@ -117,11 +117,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1687779420,
-        "narHash": "sha256-noueZE/Z5qx6NF/grg46qlpZ/1nuPpc92RvqgCmRaLI=",
+        "lastModified": 1704725188,
+        "narHash": "sha256-qq8NbkhRZF1vVYQFt1s8Mbgo8knj+83+QlL5LBnYGpI=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "1fa438eee82f35bdd4bc30a9aacd7648d757b388",
+        "rev": "ea96f0c05924341c551a797aaba8126334c505d2",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index e8aff11a329..fbd58ad6435 100644
--- a/flake.nix
+++ b/flake.nix
@@ -51,6 +51,7 @@
         ghc92 = pkgs.haskell.packages."ghc92";
         ghc94 = pkgs.haskell.packages."ghc94";
         ghc96 = pkgs.haskell.packages."ghc96";
+        ghc98 = pkgs.haskell.packages."ghc98";
 
         # The default ghc to use when entering `nix develop`.
         ghcDefault = ghc94;
@@ -75,21 +76,11 @@
             pkgs.haskell-language-server
             pkgs.hlint
             pkgs.nixpkgs-fmt
+            pkgs.ormolu
 
             # Releases
             pkgs.gh
 
-            # This is regrettable (long build times), but ormolu
-            # 0.5.0.1 generates really ugly pyramids of `Prelude.seq`
-            # or `Prelude.hashWithSalt` applications when generating code.
-            #
-            # When this assertion fails, check if pkgs.ormolu is newer
-            # than 0.7.0.0 and see if we can switch back to it.
-            (
-              assert (pkgs.ormolu.version == "0.5.0.1");
-              pkgs.haskell.packages.ghc96.ormolu_0_7_0_0
-            )
-
             pkgs.parallel
           ];
 
@@ -147,6 +138,7 @@
           ghc92 = mkDevShell ghc92;
           ghc94 = mkDevShell ghc94;
           ghc96 = mkDevShell ghc96;
+          ghc98 = mkDevShell ghc98;
           default = mkDevShell ghcDefault;
         };
       });
diff --git a/lib/amazonka/CHANGELOG.md b/lib/amazonka/CHANGELOG.md
index bec3612a143..ef44bb32963 100644
--- a/lib/amazonka/CHANGELOG.md
+++ b/lib/amazonka/CHANGELOG.md
@@ -9,6 +9,8 @@
 
 ### Fixed
 
+- `amazonka-*`: GHC 9.8 support
+[\#9xx](https://github.com/brendanhay/amazonka/pull/9xx)
 - `amazonka`: Allow reading the AWS config file when the credentials file is missing [\#951](https://github.com/brendanhay/amazonka/pull/951).
   This is useful when you are using a role-based authentication method or AWS IAM Identity Center (formerly AWS SSO) which does not require a credentials file.
   Before this fix you had to create an empty credentials file for these methods to work correctly.