diff --git a/cabal.project b/cabal.project
index b0999ca8c0..d35a4321a4 100644
--- a/cabal.project
+++ b/cabal.project
@@ -13,8 +13,8 @@ repository cardano-haskell-packages
 -- See CONTRIBUTING for information about these, including some Nix commands
 -- you need to run if you change them
 index-state:
-  , hackage.haskell.org 2025-09-24T20:00:55Z
-  , cardano-haskell-packages 2025-10-23T12:06:55Z
+  , hackage.haskell.org 2025-10-23T13:39:53Z
+  , cardano-haskell-packages 2025-10-24T10:49:53Z
 
 packages:
   cardano-cli
@@ -58,11 +58,64 @@ semaphore: True
 -- Always write GHC env files, because they are needed for ghci.
 write-ghc-environment-files: always
 
-if impl (ghc >= 9.12)
-  allow-newer:
-    -- https://github.com/kapralVV/Unique/issues/11
-    , Unique:hashable
-
 -- IMPORTANT
 -- Do NOT add more source-repository-package stanzas here unless they are strictly
 -- temporary! Please read the section in CONTRIBUTING about updating dependencies.
+
+source-repository-package
+  type: git
+  location: https://github.com/IntersectMBO/cardano-api
+  tag: f817a055a5b7076e84404d39e8addd6456aa6fa1
+  --sha256: 1rqkyssxs6bcnjk7wai69383m4dwc1kapmm26pda9v1w5xqi76jg
+  subdir:
+    cardano-api
+
+source-repository-package
+  type: git
+  location: https://github.com/IntersectMBO/ouroboros-consensus
+  tag: 513d27d99b2486bf16d44a9f845ddb358244673f
+  --sha256: 0brlyrvhqxcpya6frx1w5bwbpz5bjjsvxm26951vf2lxah8rx8hp
+  subdir:
+    ouroboros-consensus
+    ouroboros-consensus-cardano
+    ouroboros-consensus-diffusion
+
+source-repository-package
+  type: git
+  location: https://github.com/IntersectMBO/cardano-ledger
+  tag: fb09078fa55015c881303a2ddb609c024cec258f
+  --sha256: sha256-9Y9CRiyMn0AWD+C4aNVMaJgrj3FDAYfCX4VrLvtoMaI=
+  subdir:
+    eras/allegra/impl
+    eras/alonzo/impl
+    eras/alonzo/test-suite
+    eras/babbage/impl
+    eras/conway/impl
+    eras/dijkstra/impl
+    eras/mary/impl
+    eras/shelley/impl
+    eras/shelley/test-suite
+    eras/shelley-ma/test-suite
+    libs/cardano-ledger-api
+    libs/cardano-ledger-core
+    libs/cardano-ledger-binary
+    libs/cardano-protocol-tpraos
+    libs/non-integral
+    libs/small-steps
+    libs/cardano-data
+    libs/set-algebra
+    libs/vector-map
+    eras/byron/chain/executable-spec
+    eras/byron/ledger/executable-spec
+    eras/byron/ledger/impl
+    eras/byron/crypto
+
+-- Backported version of https://github.com/IntersectMBO/ouroboros-network/pull/5161
+source-repository-package
+   type: git
+   location: https://github.com/IntersectMBO/ouroboros-network
+   tag: 1385b53cefb81e79553b6b0252537455833ea9c4
+   --sha256: sha256-zZ7WsMfRs1fG16bmvI5vIh4fhQ8RGyEvYGLSWlrxpg0=
+   subdir:
+     ouroboros-network-api
+     ouroboros-network
diff --git a/cardano-cli/src/Cardano/CLI/EraBased/Script/Certificate/Read.hs b/cardano-cli/src/Cardano/CLI/EraBased/Script/Certificate/Read.hs
index b8061e3391..04dc3e9416 100644
--- a/cardano-cli/src/Cardano/CLI/EraBased/Script/Certificate/Read.hs
+++ b/cardano-cli/src/Cardano/CLI/EraBased/Script/Certificate/Read.hs
@@ -26,6 +26,7 @@ import Cardano.CLI.Orphan ()
 import Cardano.CLI.Read
 import Cardano.CLI.Type.Common (CertificateFile)
 import Cardano.Ledger.Core qualified as L
+import Cardano.Ledger.Dijkstra.Scripts qualified as Dijkstra
 import Cardano.Ledger.Plutus.Language qualified as L
 import Cardano.Ledger.Plutus.Language qualified as Plutus
 
@@ -125,8 +126,9 @@ convertTotimelock
   -> Api.Script Api.SimpleScript'
   -> SimpleScript (LedgerEra era)
 convertTotimelock era (Api.SimpleScript s) =
-  let native :: L.NativeScript (LedgerEra era) = obtainCommonConstraints era $ Api.toAllegraTimelock s
-   in obtainCommonConstraints era $ SimpleScript native
+  obtainCommonConstraints era $ case era of
+    ConwayEra -> SimpleScript $ Api.toAllegraTimelock @(LedgerEra ConwayEra) s
+    DijkstraEra -> SimpleScript $ Dijkstra.upgradeTimelock $ Api.toAllegraTimelock @(LedgerEra ConwayEra) s
 
 readCertificateScriptWitnesses
   :: IsEra era
diff --git a/flake.lock b/flake.lock
index beb5add91b..6ff16b0185 100644
--- a/flake.lock
+++ b/flake.lock
@@ -189,11 +189,11 @@
     "hackageNix": {
       "flake": false,
       "locked": {
-        "lastModified": 1761179141,
-        "narHash": "sha256-2nwS7LnNiJZReuVDqVenRnB3akEvZoYIXOuj5o8pMNU=",
+        "lastModified": 1761747429,
+        "narHash": "sha256-IiiJK9IDV176KId+hdcf02pDvQc4thp+1DFIFH64kdw=",
         "owner": "input-output-hk",
         "repo": "hackage.nix",
-        "rev": "ee35b054b94e945f0528ceb01fedd737b7064e58",
+        "rev": "58e6659ae6f2ba5c0fc4e7e8a985c65d03eaf7aa",
         "type": "github"
       },
       "original": {