diff --git a/cabal.project b/cabal.project
index f4e7cf5..ba95d05 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 2025-12-11T11:28:18Z
+  , hackage.haskell.org 2026-01-23T20:19:31Z
   -- Bump this if you need newer packages from CHaP
-  , cardano-haskell-packages 2025-12-10T11:48:32Z
+  , cardano-haskell-packages 2026-01-24T11:25:12Z
 
 packages:
   ./.
diff --git a/flake.lock b/flake.lock
index cc8cb64..63300de 100644
--- a/flake.lock
+++ b/flake.lock
@@ -3,11 +3,11 @@
     "CHaP": {
       "flake": false,
       "locked": {
-        "lastModified": 1765454725,
-        "narHash": "sha256-dtq0m4AmoQ5MLcMufMSJoNR2UFYylY02sjWdHLakBe0=",
+        "lastModified": 1769256732,
+        "narHash": "sha256-znue7+L+Ew5IF8lPCVh0R/Mf8t0+/ybN+PqB+Rwbxh8=",
         "owner": "IntersectMBO",
         "repo": "cardano-haskell-packages",
-        "rev": "68f4a94fbe8dfc0818503cf686fad0f92f71919b",
+        "rev": "97361cfd2b1286aebac8d1143d28b8a2adcff02f",
         "type": "github"
       },
       "original": {
@@ -209,11 +209,11 @@
     "hackage": {
       "flake": false,
       "locked": {
-        "lastModified": 1765453276,
-        "narHash": "sha256-5BeDEYy+/ksJaJvu1smYjOlh+3ftW4Xnma/k9PGjlKE=",
+        "lastModified": 1769249791,
+        "narHash": "sha256-3gaa2HuIftLvnGRHaSvVREirMWKrBKEdDR9fXN8Cy2E=",
         "owner": "input-output-hk",
         "repo": "hackage.nix",
-        "rev": "e0e068c85621caa290c955e09f2db365710037c2",
+        "rev": "dfcd3e00c8c319075d27f8ef4a04c5a07b5ef470",
         "type": "github"
       },
       "original": {
diff --git a/plinth-template.cabal b/plinth-template.cabal
index bbd7f41..cd63b09 100644
--- a/plinth-template.cabal
+++ b/plinth-template.cabal
@@ -49,10 +49,10 @@ common plinth-options
 
 common plutus-deps
   build-depends:
-    , plutus-core ^>=1.56.0.0
-    , plutus-ledger-api ^>=1.56.0.0
-    , plutus-tx ^>=1.56.0.0
-    , plutus-tx-plugin ^>=1.56.0.0
+    , plutus-core ^>=1.57.0.0
+    , plutus-ledger-api ^>=1.57.0.0
+    , plutus-tx ^>=1.57.0.0
+    , plutus-tx-plugin ^>=1.57.0.0
 
 library plinth-validators
   import:          plinth-options, plutus-deps