diff --git a/Cargo.toml b/Cargo.toml
index 5660309..75ade12 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ path = "src/lib.rs"
 actix =  "0.13.0"
 casbin = { version = "2.0.9", default-features = false, features = [ "incremental", "cached"] }
 actix-casbin-auth = { version = "1.0.0", default-features = false }
-tokio = { version = "1.19.2", default-features = false, optional = true }
+tokio = { version = "1.36.0", default-features = false, optional = true }
 async-std = { version = "1.11.0", default-features = false, optional = true }
 futures = "0.3.21"
 
@@ -27,6 +27,6 @@ runtime-tokio = ["casbin/runtime-tokio", "tokio/sync", "actix-casbin-auth/runtim
 runtime-async-std = ["casbin/runtime-async-std", "async-std/std", "actix-casbin-auth/runtime-async-std"]
 
 [dev-dependencies]
-tokio = { version = "1.19.2", features = [ "full" ] }
+tokio = { version = "1.36.0", features = [ "full" ] }
 async-std = { version = "1.11.0", features = [ "attributes" ] }
 actix-rt = "2.7.0"