diff --git a/Cargo.toml b/Cargo.toml
index 8bc3472..d62688a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,8 +13,8 @@ Timeouts for futures.
 """
 
 [dependencies]
-gloo-timers = { version = "0.2.0", features = ["futures"], optional = true }
-send_wrapper = { version = "0.4.0", optional = true }
+gloo-timers = { version = "0.3.0", features = ["futures"], optional = true }
+send_wrapper = { version = "0.6.0", optional = true }
 
 [dev-dependencies]
 async-std = { version = "1.0.1", features = ["attributes"] }