diff --git a/cabal.project.release b/cabal.project.release
index 6c37f80ad..9fe98df94 100644
--- a/cabal.project.release
+++ b/cabal.project.release
@@ -1,7 +1,7 @@
 index-state:
   -- Bump this if you need newer packages from Hackage
-  -- unix-2.8.7.0
-  , hackage.haskell.org 2025-06-11T07:49:45Z
+  -- current date: fs-api-0.4.0.0 and fs-sim-0.4.0.0
+  , hackage.haskell.org 2025-06-12T15:01:00Z
 
 packages:
   .
@@ -27,11 +27,3 @@ allow-newer: regression-simple:base
 -- we could add a conditional on (+serialblockio) to remove this import automatically.
 import: cabal.project.blockio-uring
 
--- bugfix hGetBufExactly and hGetBufExactlyAt, io-classes-1.8.0.1
-source-repository-package
-  type: git
-  location: https://github.com/input-output-hk/fs-sim
-  tag: 77e4809fe897330397ddbeaf88ef4bb47477b543
-  subdir:
-    fs-api
-    fs-sim