diff --git a/cabal.project.user b/cabal.project.user
index e90e2f2..aaac1a7 100644
--- a/cabal.project.user
+++ b/cabal.project.user
@@ -1,5 +1,10 @@
 packages: streaming-benchmarks.cabal
 
+source-repository-package
+  type: git
+  location: https://github.com/composewell/fusion-plugin.git
+  tag: 15c0ad50a235a35e85d03cced9ad0f3938565e5a
+
 -- source-repository-package
 --   type: git
 --   location: https://github.com/composewell/streamly.git
diff --git a/sources.nix b/sources.nix
index 077ad08..1a116a8 100644
--- a/sources.nix
+++ b/sources.nix
@@ -7,6 +7,8 @@ layers = [
   #streaming-benchmarks = localOpts ./.
     #[]
     #["--flags streaming"];
+  fusion-plugin =
+    gh "composewell" "fusion-plugin" "15c0ad50a235a35e85d03cced9ad0f3938565e5a";
 }
 ];
 }