diff --git a/Cargo.toml b/Cargo.toml
index b8c4aa40..aaa92204 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "faktory"
-version = "0.9.0"
+version = "0.9.1"
 
 description = "API bindings for the language-agnostic Faktory work server"
 readme = "README.md"
@@ -31,10 +31,10 @@ serde_json = "1.0"
 serde_derive = "1.0"
 serde = "1.0"
 bufstream = "0.1"
-sha2 = "0.6.0"
+sha2 = "0.7.0"
 hostname = "0.1.3"
 libc = "0.2"
-rand = "0.3"
+rand = "0.4"
 chrono = { version = "0.4", features = ["serde"] }
 url = "1.5"
 atomic-option = "0.1"