diff --git a/crates/rmcp/Cargo.toml b/crates/rmcp/Cargo.toml
index 17b426cb..3ed85e77 100644
--- a/crates/rmcp/Cargo.toml
+++ b/crates/rmcp/Cargo.toml
@@ -26,7 +26,7 @@ pin-project-lite = "0.2"
 paste = { version = "1", optional = true }
 
 # oauth2 support
-oauth2 = { version = "5.0", optional = true }
+oauth2 = { version = "5.0", optional = true, default-features = false, features = ["reqwest"] }
 
 # for auto generate schema
 schemars = { version = "1.0", optional = true, features = ["chrono04"] }
@@ -104,14 +104,14 @@ server-side-http = [
 client-side-sse = ["dep:sse-stream", "dep:http"]
 
 transport-sse-client = ["client-side-sse", "transport-worker"]
-transport-sse-client-reqwest = ["transport-sse-client", "reqwest"]
+transport-sse-client-reqwest = ["transport-sse-client", "__reqwest"]
 
 transport-worker = ["dep:tokio-stream"]
 
 
 # Streamable HTTP client
 transport-streamable-http-client = ["client-side-sse", "transport-worker"]
-transport-streamable-http-client-reqwest = ["transport-streamable-http-client", "reqwest"]
+transport-streamable-http-client-reqwest = ["transport-streamable-http-client", "__reqwest"]
 
 
 transport-async-rw = ["tokio/io-util", "tokio-util/codec"]