diff --git a/brush-strokes/cabal.project b/brush-strokes/cabal.project
index adb02a2..ef3fab2 100644
--- a/brush-strokes/cabal.project
+++ b/brush-strokes/cabal.project
@@ -24,8 +24,8 @@ profiling-detail: late
 -- eigen
 source-repository-package
   type: git
-  location: https://github.com/chessai/eigen
-  tag: 1790fdf9138970dde0dbabf8b270698145a4a88c
+  location: https://github.com/sheaf/eigen
+  tag: 0e2dc2d495cef76af3bdc79349696ce2249405fb
 
 -------------
 -- GHC 9.6 --
diff --git a/cabal.project b/cabal.project
index 38256ca..0999fc2 100644
--- a/cabal.project
+++ b/cabal.project
@@ -40,8 +40,8 @@ allow-newer:
 -- eigen
 source-repository-package
   type: git
-  location: https://github.com/chessai/eigen
-  tag: 1790fdf9138970dde0dbabf8b270698145a4a88c
+  location: https://github.com/sheaf/eigen
+  tag: 0e2dc2d495cef76af3bdc79349696ce2249405fb
 
 -------------
 -- GHC 9.6 --