diff --git a/README.md b/README.md
index e49adb2..9d28de1 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,11 @@ Nix-based project configuration shared between nammayatri repositories
   - Automatic importing of the common flakeModule.
 - The common flakeModule provides:
   - treefmt-based autoformatters: ormolu, hlint, dhall-format, nixpkgs-fmt
+  - Common Haskell configuration
+    - ~~GHC 8.10 package set (matching LTS 16.31 in part)~~ (DEPRECATED, file and references kept for posterity only)
+    - GHC 9.2.8 package set
+    - Avoid global tool caches (`no-global-cache.nix`)
+    - Common `package.yaml` (hpack) configuration
   - `mission-control`
   - `process-compose-flake`
   - pre-commit hooks
diff --git a/flake-module.nix b/flake-module.nix
index 513bc56..4eddaf5 100644
--- a/flake-module.nix
+++ b/flake-module.nix
@@ -9,7 +9,7 @@ common:
     (import ./nix/treefmt.nix common)
     ./nix/haskell
     # ./nix/ghc810.nix
-    ./nix/ghc927.nix
+    ./nix/ghc928.nix
     ./nix/pre-commit.nix
     ./nix/arion.nix
     common.inputs.cachix-push.flakeModule
diff --git a/flake.lock b/flake.lock
index d6e379b..15ac39b 100644
--- a/flake.lock
+++ b/flake.lock
@@ -495,11 +495,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1696261572,
-        "narHash": "sha256-s8TtSYJ1LBpuITXjbPLUPyxzAKw35LhETcajJjCS5f0=",
+        "lastModified": 1704161960,
+        "narHash": "sha256-QGua89Pmq+FBAro8NriTuoO/wNaUtugt29/qqA8zeeM=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "0c7ffbc66e6d78c50c38e717ec91a2a14e0622fb",
+        "rev": "63143ac2c9186be6d9da6035fa22620018c85932",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index c4c229f..bad7a24 100644
--- a/flake.nix
+++ b/flake.nix
@@ -29,7 +29,7 @@
     flakeModules = {
       default = import ./flake-module.nix { inherit inputs; };
       # ghc810 = ./nix/ghc810.nix;
-      ghc927 = ./nix/ghc927.nix;
+      ghc928 = ./nix/ghc928.nix;
     };
 
     lib.mkFlake = args: mod:
diff --git a/nix/ghc927.nix b/nix/ghc928.nix
similarity index 85%
rename from nix/ghc927.nix
rename to nix/ghc928.nix
index 7d56fef..b6285d6 100644
--- a/nix/ghc927.nix
+++ b/nix/ghc928.nix
@@ -1,11 +1,11 @@
 # To use this package set in your `haskell-flake` projects, set the
 # `basePackages` option as follows:
 #
-# > basePackages = config.haskellProjects.ghc927.outputs.finalPackages;
+# > basePackages = config.haskellProjects.ghc928.outputs.finalPackages;
 #
 {
   perSystem = { pkgs, lib, config, ... }: {
-    haskellProjects.ghc927 = {
+    haskellProjects.ghc928 = {
       projectFlakeName = "nammayatri:common";
 
       # This is not a local project, so disable those options.
@@ -13,7 +13,7 @@
       devShell.enable = false;
       autoWire = [ ];
 
-      # Uses GHC-9.2.7 package set as base
+      # Uses GHC-9.2.8 package set as base
 
       # We use a versioned package-set instead of the more
       # general `pkgs.haskellPackages` set in order to be
@@ -21,11 +21,11 @@
       # specific GHC version and by extension the related
       # packages versions that come with this snapshot
 
-      basePackages = pkgs.haskell.packages.ghc927;
+      basePackages = pkgs.haskell.packages.ghc928;
 
       packages = {
         # Dependencies from Hackage
-
+        persistent.source = "2.14.5.2";
       };
 
       settings = {
diff --git a/nix/haskell/default.nix b/nix/haskell/default.nix
index 6796292..3d8690f 100644
--- a/nix/haskell/default.nix
+++ b/nix/haskell/default.nix
@@ -5,7 +5,7 @@
         ./no-global-cache.nix
         ./devtools.nix
       ];
-      basePackages = config.haskellProjects.ghc927.outputs.finalPackages;
+      basePackages = config.haskellProjects.ghc928.outputs.finalPackages;
       defaults.settings.default = { name, package, config, ... }:
         lib.optionalAttrs (package.local.toDefinedProject or false) {
           # Disabling haddock and profiling is mainly to speed up Nix builds.