From a19d82ca2a03a6e04c7bdfba17fe083aa8668a12 Mon Sep 17 00:00:00 2001
From: Marcin Szamotulski <coot@coot.me>
Date: Mon, 5 Oct 2026 16:19:34 +0200
Subject: [PATCH] Updated CHaP

We no longer need `finitary` flag on `acts` package.
---
 cabal.project                          | 5 +----
 flake.lock                             | 6 +++---
 scripts/ci/cabal.project.local.Windows | 8 ++++++++
 3 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/cabal.project b/cabal.project
index 7c73cf62f66..bc8652ce884 100644
--- a/cabal.project
+++ b/cabal.project
@@ -18,7 +18,7 @@ index-state:
   , hackage.haskell.org 2026-06-29T22:49:53Z
 
   -- Bump this if you need newer packages from CHaP
-  , cardano-haskell-packages 2026-07-02T10:10:00Z
+  , cardano-haskell-packages 2026-10-05T13:20:29Z
 
 active-repositories:
   , :rest
@@ -52,9 +52,6 @@ package network-mux
 package ouroboros-network
   flags: +asserts +cddl
 
-package acts
-  flags: -finitary
-
 if impl (ghc >= 9.14)
   constraints:
     , containers > 0.7
diff --git a/flake.lock b/flake.lock
index df112ed0381..c877f324722 100644
--- a/flake.lock
+++ b/flake.lock
@@ -3,11 +3,11 @@
     "CHaP": {
       "flake": false,
       "locked": {
-        "lastModified": 1782990451,
-        "narHash": "sha256-U0o77JuGp6ADqym7TtGV3AwzRn5SFuiTRyCOR6qfxGA=",
+        "lastModified": 1791209704,
+        "narHash": "sha256-OfCPHMmoCVn3VV3SguOOp7CzzJTUz/Ng3yJqUfXGJsg=",
         "owner": "intersectmbo",
         "repo": "cardano-haskell-packages",
-        "rev": "def6ba6e0324e451802f5a17b12a00bd64639e14",
+        "rev": "b0b3231c063261e97896d50d98c531890efa298a",
         "type": "github"
       },
       "original": {
diff --git a/scripts/ci/cabal.project.local.Windows b/scripts/ci/cabal.project.local.Windows
index 14560888d26..a5392df92d7 100644
--- a/scripts/ci/cabal.project.local.Windows
+++ b/scripts/ci/cabal.project.local.Windows
@@ -27,3 +27,11 @@ package ouroboros-network
 
 package cardano-diffusion
   flags: +asserts -cddl
+
+--
+-- finitary is disabled on Windows: it uses GHC plugins, which are not
+-- supported in cross compilation ("Plugins require -fno-external-interpreter")
+--
+
+package acts
+  flags: -finitary