diff --git a/Cargo.toml b/Cargo.toml
index b1c82a7d4..c9bde7a72 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,26 +28,27 @@ default = ["web"]
 web = ["actix/http", "actix-service", "actix-utils", "actix-web", "actix-session/cookie-session", "rand", "serde", "serde_json"]
 
 [dependencies]
-actix = "0.8.2"
+actix = "0.8.3"
 
 log = "0.4"
-backoff = "0.1"
-derive_more = "0.14"
-futures = "0.1.25"
-tokio-io = "0.1"
-tokio-codec = "0.1"
-tokio-tcp = "0.1"
-redis-async = "0.4"
-time = "0.1"
+backoff = "0.1.5"
+derive_more = "0.15.0"
+futures = "0.1.28"
+tokio-io = "0.1.12"
+tokio-codec = "0.1.1"
+tokio-tcp = "0.1.3"
+redis-async = "0.4.5"
+time = "0.1.42"
 
 # actix web session
-actix-web = { version = "1.0.0-rc", optional=true }
-actix-utils = { version = "0.4.1", optional=true }
-actix-service = { version = "0.4.0", optional=true }
-actix-session = { version = "0.1.0", optional=true }
-rand = { version="0.6.5", optional=true }
-serde = { version="1.0", optional=true }
-serde_json = { version="1.0", optional=true }
+actix-web = { version = "1.0.3", optional = true }
+actix-utils = { version = "0.4.2", optional = true }
+actix-service = { version = "0.4.1", optional = true }
+actix-session = { version = "0.2.0", optional = true }
+rand = { version = "0.7.0", optional = true }
+serde = { version = "1.0.94", optional = true }
+serde_json = { version = "1.0.40", optional = true }
+env_logger = "0.6.2"
 
 [dev-dependencies]
 env_logger = "0.6"
diff --git a/src/session.rs b/src/session.rs
index 315dc189e..9623c6c16 100644
--- a/src/session.rs
+++ b/src/session.rs
@@ -275,9 +275,8 @@ impl Inner {
         let (value, jar) = if let Some(value) = value {
             (value.clone(), None)
         } else {
-            let mut rng = OsRng::new().unwrap();
             let value: String = iter::repeat(())
-                .map(|()| rng.sample(Alphanumeric))
+                .map(|()| OsRng.sample(Alphanumeric))
                 .take(32)
                 .collect();