diff --git a/yellowstone-grpc-client/rust-toolchain.toml b/yellowstone-grpc-client/rust-toolchain.toml
new file mode 100644
index 0000000..e4eaafd
--- /dev/null
+++ b/yellowstone-grpc-client/rust-toolchain.toml
@@ -0,0 +1,5 @@
+[toolchain]
+channel = "1.69.0"
+components = ["clippy", "rustfmt"]
+targets = []
+profile = "minimal"