diff --git a/cabal.project b/cabal.project
index 40bb72ea8d5..f1ec8b642e7 100644
--- a/cabal.project
+++ b/cabal.project
@@ -12,8 +12,8 @@ repository cardano-haskell-packages
 
 -- See CONTRIBUTING.md for information about when and how to update these.
 index-state:
-  , hackage.haskell.org 2024-07-19T19:07:04Z
-  , cardano-haskell-packages 2024-07-19T19:04:02Z
+  , hackage.haskell.org 2024-09-23T15:45:50Z
+  , cardano-haskell-packages 2024-09-20T19:39:13Z
 
 packages:
   hydra-prelude
diff --git a/flake.lock b/flake.lock
index 8436c1fa0b6..1532ba72750 100644
--- a/flake.lock
+++ b/flake.lock
@@ -3,11 +3,11 @@
     "CHaP": {
       "flake": false,
       "locked": {
-        "lastModified": 1721391352,
-        "narHash": "sha256-scqGnAT3tofRQUb9av5+lhGnpK03HzSKMmKk80wDb2A=",
+        "lastModified": 1727170555,
+        "narHash": "sha256-kxB/xjSjqym5kKYDw/CZMb6O1OfCVWRjjsuqyWABd0w=",
         "owner": "IntersectMBO",
         "repo": "cardano-haskell-packages",
-        "rev": "ef6499225aab60d39690732fac110377ff8b8324",
+        "rev": "d8beaf7e30330f8a70e626f63a5b47d1999fbf4b",
         "type": "github"
       },
       "original": {
@@ -832,11 +832,11 @@
     "hackage": {
       "flake": false,
       "locked": {
-        "lastModified": 1720572067,
-        "narHash": "sha256-BzF/jCFF/G1woW9liObR2g8oQIv40rqudjjouRZd790=",
+        "lastModified": 1727224042,
+        "narHash": "sha256-bobZR+mTiX2UkrjIL5tNIK38uz/835TqXa2HYLBc2IA=",
         "owner": "input-output-hk",
         "repo": "hackage.nix",
-        "rev": "2069cd9298dd9248e8d1312e5dbcd4b0b30dcaa3",
+        "rev": "c06d89f727acc16e5261e2d7832cee5473e5e63d",
         "type": "github"
       },
       "original": {
@@ -952,16 +952,17 @@
         "nixpkgs-2211": "nixpkgs-2211_2",
         "nixpkgs-2305": "nixpkgs-2305_2",
         "nixpkgs-2311": "nixpkgs-2311_2",
+        "nixpkgs-2405": "nixpkgs-2405",
         "nixpkgs-unstable": "nixpkgs-unstable_2",
         "old-ghc-nix": "old-ghc-nix_2",
         "stackage": "stackage_2"
       },
       "locked": {
-        "lastModified": 1720572637,
-        "narHash": "sha256-ObY6AcToX2JvH8DpV/0ytAGGXRng4xy05kInNsGrXZQ=",
+        "lastModified": 1727225466,
+        "narHash": "sha256-NFhTqLbfvvAmM2JDTMHtWNN137fBMmP5bncxNT/9eY8=",
         "owner": "input-output-hk",
         "repo": "haskell.nix",
-        "rev": "cb7d4670d16190ce6154e941c21c9b1dd27f16c7",
+        "rev": "e1360464083ee3e22cbbba660b70ff41734a1cba",
         "type": "github"
       },
       "original": {
@@ -1335,16 +1336,16 @@
     "hls-2.9_2": {
       "flake": false,
       "locked": {
-        "lastModified": 1718469202,
-        "narHash": "sha256-THXSz+iwB1yQQsr/PY151+2GvtoJnTIB2pIQ4OzfjD4=",
+        "lastModified": 1720003792,
+        "narHash": "sha256-qnDx8Pk0UxtoPr7BimEsAZh9g2WuTuMB/kGqnmdryKs=",
         "owner": "haskell",
         "repo": "haskell-language-server",
-        "rev": "40891bccb235ebacce020b598b083eab9dda80f1",
+        "rev": "0c1817cb2babef0765e4e72dd297c013e8e3d12b",
         "type": "github"
       },
       "original": {
         "owner": "haskell",
-        "ref": "2.9.0.0",
+        "ref": "2.9.0.1",
         "repo": "haskell-language-server",
         "type": "github"
       }
@@ -2030,11 +2031,11 @@
     },
     "nixpkgs-2305_2": {
       "locked": {
-        "lastModified": 1701362232,
-        "narHash": "sha256-GVdzxL0lhEadqs3hfRLuj+L1OJFGiL/L7gCcelgBlsw=",
+        "lastModified": 1705033721,
+        "narHash": "sha256-K5eJHmL1/kev6WuqyqqbS1cdNnSidIZ3jeqJ7GbrYnQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d2332963662edffacfddfad59ff4f709dde80ffe",
+        "rev": "a1982c92d8980a0114372973cbdfe0a307f1bdea",
         "type": "github"
       },
       "original": {
@@ -2062,11 +2063,11 @@
     },
     "nixpkgs-2311_2": {
       "locked": {
-        "lastModified": 1701386440,
-        "narHash": "sha256-xI0uQ9E7JbmEy/v8kR9ZQan6389rHug+zOtZeZFiDJk=",
+        "lastModified": 1719957072,
+        "narHash": "sha256-gvFhEf5nszouwLAkT9nWsDzocUTqLWHuL++dvNjMp9I=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "293822e55ec1872f715a66d0eda9e592dc14419f",
+        "rev": "7144d6241f02d171d25fba3edeaf15e0f2592105",
         "type": "github"
       },
       "original": {
@@ -2076,6 +2077,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-2405": {
+      "locked": {
+        "lastModified": 1720122915,
+        "narHash": "sha256-Nby8WWxj0elBu1xuRaUcRjPi/rU3xVbkAt2kj4QwX2U=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "835cf2d3f37989c5db6585a28de967a667a75fb1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-24.05-darwin",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs-lib": {
       "locked": {
         "lastModified": 1719876945,
@@ -2162,17 +2179,17 @@
     },
     "nixpkgs-unstable_2": {
       "locked": {
-        "lastModified": 1694822471,
-        "narHash": "sha256-6fSDCj++lZVMZlyqOe9SIOL8tYSBz1bI8acwovRwoX8=",
+        "lastModified": 1720181791,
+        "narHash": "sha256-i4vJL12/AdyuQuviMMd1Hk2tsGt02hDNhA0Zj1m16N8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "47585496bcb13fb72e4a90daeea2f434e2501998",
+        "rev": "4284c2b73c8bce4b46a6adf23e16d9e2ec8da4bb",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
         "repo": "nixpkgs",
-        "rev": "47585496bcb13fb72e4a90daeea2f434e2501998",
         "type": "github"
       }
     },
@@ -2580,11 +2597,11 @@
     "stackage_2": {
       "flake": false,
       "locked": {
-        "lastModified": 1720571013,
-        "narHash": "sha256-k/I+CPMX24J6Gi1/pyJPLloadTj8nO95H0RaIRKoo0c=",
+        "lastModified": 1727223062,
+        "narHash": "sha256-j3hoqYsoPWtxLrgYfLEfL0AF2MbXmQszkRIonL2vl0M=",
         "owner": "input-output-hk",
         "repo": "stackage.nix",
-        "rev": "2d54320b933f0ab31446bd12742874b6640053ad",
+        "rev": "543f929fa829ba51d63e8a7d14f84d0be819f2d4",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 5b4a6f0d6cc..f1ffb59e8db 100644
--- a/flake.nix
+++ b/flake.nix
@@ -149,7 +149,7 @@
                 pkgs.nixpkgs-fmt
                 pkgs.fourmolu
               ];
-              treefmt = pkgs.treefmt;
+              treefmt = pkgsLatest.treefmt;
             };
           } // lib.attrsets.mergeAttrsList (map (x: componentsToWerrors x hsPkgs.${x}) [
             "hydra-cardano-api"
@@ -167,7 +167,8 @@
           ]);
 
           devShells = import ./nix/hydra/shell.nix {
-            inherit inputs pkgs hsPkgs system compiler pkgsLatest;
+            inherit inputs pkgs hsPkgs system pkgsLatest;
+            ghc = pkgs.buildPackages.haskell-nix.compiler.${compiler};
           };
         };
     };
diff --git a/hydra-plutus/hydra-plutus.cabal b/hydra-plutus/hydra-plutus.cabal
index 1962eaa0f2e..11b44fdaf68 100644
--- a/hydra-plutus/hydra-plutus.cabal
+++ b/hydra-plutus/hydra-plutus.cabal
@@ -71,10 +71,10 @@ library
     , hydra-cardano-api
     , hydra-plutus-extras
     , hydra-prelude
-    , plutus-core          >=1.21
-    , plutus-ledger-api    >=1.21
-    , plutus-tx            >=1.21
-    , plutus-tx-plugin     >=1.21
+    , plutus-core          ^>=1.30
+    , plutus-ledger-api    ^>=1.30
+    , plutus-tx            ^>=1.30
+    , plutus-tx-plugin     ^>=1.30
     , QuickCheck
     , serialise
     , template-haskell
diff --git a/nix/hydra/shell.nix b/nix/hydra/shell.nix
index 3569f1547b4..5b71876a0fc 100644
--- a/nix/hydra/shell.nix
+++ b/nix/hydra/shell.nix
@@ -6,7 +6,7 @@
 , inputs
 , system
 , pkgs
-, compiler
+, ghc
 , pkgsLatest
 }:
 let
@@ -90,7 +90,7 @@ let
     name = "hydra-node-cabal-shell";
 
     buildInputs = libs ++ [
-      hsPkgs.ghc
+      ghc
       pkgs.cabal-install
       pkgs.pkg-config
     ] ++ buildInputs;