diff --git a/Cargo.toml b/Cargo.toml
index 9747403..7f2f3b7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,6 @@ publish     = false
 name = "rustsec-advisory-db"
 
 [dependencies]
-gumdrop = "0.5"
-gumdrop_derive = "0.5"
-rustsec = "0.11"
-crates_io_api = "0.3"
+gumdrop = "0.6"
+rustsec = "0.12"
+crates_io_api = "0.5"