diff --git a/cabal.project b/cabal.project
index b983c81b56..214621be93 100644
--- a/cabal.project
+++ b/cabal.project
@@ -14,7 +14,7 @@ repository cardano-haskell-packages
 -- update either of these.
 index-state:
   -- Bump this if you need newer packages from Hackage
-  , hackage.haskell.org 2025-10-23T13:39:53Z
+  , hackage.haskell.org 2025-12-03T15:53:31Z
   -- Bump this if you need newer packages from CHaP
   , cardano-haskell-packages 2025-10-01T14:54:25Z
 
@@ -82,10 +82,10 @@ source-repository-package
 
 -- 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
+  type: git
+  location: https://github.com/IntersectMBO/ouroboros-network
+  tag: dfcb1f9c578ec8cd5114fea9696e7be6c9001323
+  --sha256: sha256-omXPdi/T/f3gq9rOH20zX+x3WvaxlB704g07RF/13Nk=
+  subdir:
+    ouroboros-network-api
+    ouroboros-network
diff --git a/flake.lock b/flake.lock
index 65bf9573ef..3368d1c2de 100644
--- a/flake.lock
+++ b/flake.lock
@@ -270,11 +270,11 @@
     "hackageNix": {
       "flake": false,
       "locked": {
-        "lastModified": 1761733768,
-        "narHash": "sha256-49u0SAbp4J9MqqbtKeTo+mVFuwA1CDb/ssc+AZtjgiI=",
+        "lastModified": 1764848834,
+        "narHash": "sha256-E/LzLZeiNkOB00WMERAk+GHHHcouxekCZVcwbpMTxnM=",
         "owner": "input-output-hk",
         "repo": "hackage.nix",
-        "rev": "35e8a092207e6d5d921efffc59ec0a3c1b450d48",
+        "rev": "6a3df2e0f103d9faa7ef52330ffcb01c9f87cbbe",
         "type": "github"
       },
       "original": {