diff --git a/cabal.project b/cabal.project
index e4e3ec1..7af9a1b 100644
--- a/cabal.project
+++ b/cabal.project
@@ -11,9 +11,9 @@ repository cardano-haskell-packages
 
 index-state:
   -- Bump both the following dates if you need newer packages from Hackage
-  , hackage.haskell.org 2025-09-22T12:53:02Z
+  , hackage.haskell.org 2025-11-11T23:58:48Z
   -- Bump this if you need newer packages from CHaP
-  , cardano-haskell-packages 2025-09-22T06:47:49Z
+  , cardano-haskell-packages 2025-11-12T10:41:14Z
 
 packages:
   ./.
diff --git a/flake.lock b/flake.lock
index 02107ee..524d2fa 100644
--- a/flake.lock
+++ b/flake.lock
@@ -3,11 +3,11 @@
     "CHaP": {
       "flake": false,
       "locked": {
-        "lastModified": 1758547838,
-        "narHash": "sha256-QvqwgT4yN+52SWxQWQ3cS5V64C1rQrQKaLCYRZH7bC4=",
+        "lastModified": 1762946071,
+        "narHash": "sha256-QsrUGH4UkfL4nkYHLosf2iaH9DDesk8DeeyBf1WAXno=",
         "owner": "IntersectMBO",
         "repo": "cardano-haskell-packages",
-        "rev": "6174af87848e7b5e652bb19035f658e10f094299",
+        "rev": "05cf8bb78f0da35dfeed4c12b3c44ad0fd9cc210",
         "type": "github"
       },
       "original": {
@@ -209,11 +209,11 @@
     "hackage": {
       "flake": false,
       "locked": {
-        "lastModified": 1758546883,
-        "narHash": "sha256-jR+3qja1p3DDoe2K9aDrqVM3YYI+3oGxhS+/MZWW7dw=",
+        "lastModified": 1762908648,
+        "narHash": "sha256-Lxw75DUUiRBm555XxBlLLsKPdRThqIQEixWUz6t2Umo=",
         "owner": "input-output-hk",
         "repo": "hackage.nix",
-        "rev": "0b9c9cc6140c5474ad59e2a0d19f2b0ddfe71ebd",
+        "rev": "9651ff218fabdc908e714801c2aba3d2038a9236",
         "type": "github"
       },
       "original": {
diff --git a/plinth-template.cabal b/plinth-template.cabal
index 97f1227..eb04d1d 100644
--- a/plinth-template.cabal
+++ b/plinth-template.cabal
@@ -49,10 +49,10 @@ common plinth-options
 
 common plutus-deps
   build-depends:
-    , plutus-core        ^>=1.54.0.0
-    , plutus-ledger-api  ^>=1.54.0.0
-    , plutus-tx          ^>=1.54.0.0
-    , plutus-tx-plugin   ^>=1.54.0.0
+    , plutus-core ^>=1.55.0.0
+    , plutus-ledger-api ^>=1.55.0.0
+    , plutus-tx ^>=1.55.0.0
+    , plutus-tx-plugin ^>=1.55.0.0
 
 library plinth-validators
   import:          plinth-options, plutus-deps