diff --git a/cabal.project b/cabal.project
index 5b4fd3fbeeb..9b2f5da819c 100644
--- a/cabal.project
+++ b/cabal.project
@@ -14,7 +14,7 @@ repository cardano-haskell-packages
 -- you need to run if you change them
 index-state:
   , hackage.haskell.org 2026-03-26T20:21:33Z
-  , cardano-haskell-packages 2026-04-01T21:20:01Z
+  , cardano-haskell-packages 2026-04-03T08:05:29Z
 
 active-repositories:
   , :rest
diff --git a/flake.lock b/flake.lock
index 26ffd9b0e43..dd88a44e4d0 100644
--- a/flake.lock
+++ b/flake.lock
@@ -3,11 +3,11 @@
     "CHaP": {
       "flake": false,
       "locked": {
-        "lastModified": 1775116438,
-        "narHash": "sha256-/T1/syxfJHgzUjEN1+bfuIM7nYfy62lWq44TPEH6Kao=",
+        "lastModified": 1775221725,
+        "narHash": "sha256-uE3Jy5UNAxXOCFUV1KpFG8i2XRdB9F3ZxAdNEYofsRQ=",
         "owner": "intersectmbo",
         "repo": "cardano-haskell-packages",
-        "rev": "1cba2b33b3f2e373a4e1be356d78b5c7e406baba",
+        "rev": "4e427f23f6b546dff1370c25e23b5b65e62cc421",
         "type": "github"
       },
       "original": {