diff --git a/Cargo.toml b/Cargo.toml
index 147c9b8..9a023bf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,7 +35,7 @@ name = "test"
 path = "src/test.rs"
 
 [dependencies]
-fluence = { git = "https://github.com/fluencelabs/rust-sdk" }
+fluence = { git = "https://github.com/fluencelabs/rust-sdk", branch = "optimizations" }
 
 [dev-dependencies]
 temporary = "0.6"