diff --git a/flake.lock b/flake.lock
index 2c133a9b63..81b3f6f6b8 100644
--- a/flake.lock
+++ b/flake.lock
@@ -288,11 +288,11 @@
     "hackage": {
       "flake": false,
       "locked": {
-        "lastModified": 1676679913,
-        "narHash": "sha256-nW7ApRgiA9uChV/UrW89HK75rIToLt7XtSrkodO0Nbc=",
+        "lastModified": 1696724662,
+        "narHash": "sha256-jV2ugSjZE0FjMYR2YIx0p2cDBqd+xxhZrRxp5BmieYk=",
         "owner": "input-output-hk",
         "repo": "hackage.nix",
-        "rev": "c37cffd51315d8e27dd8d3faf75abf897e39c8c8",
+        "rev": "df603bff8606d8653a0876ae0c3fd1f9014882f2",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index f7e86fbb6f..f6a68246e2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -31,7 +31,7 @@
       let pkgs = haskellNix.legacyPackages.${system}.appendOverlays [android26]; in
       let drv' = { extra-modules, pkgs', ... }: pkgs'.haskell-nix.project {
         compiler-nix-name = "ghc8107";
-        index-state = "2022-06-20T00:00:00Z";
+        index-state = "2023-10-06T00:00:00Z";
         # We need this, to specify we want the cabal project.
         # If the stack.yaml was dropped, this would not be necessary.
         projectFileName = "cabal.project";