diff --git a/Cargo.toml b/Cargo.toml
index b8e99f5e..cd74275d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,13 +12,13 @@ license = "MIT"
 keywords = ["argument", "command", "arg", "parser", "parse"]
 
 [dependencies]
-bitflags  = "~0.5"
+bitflags  = "~0.7"
 vec_map   = "~0.6"
 libc      = { version = "~0.2.9",  optional = true }
-ansi_term = { version = "~0.7.2",  optional = true }
+ansi_term = { version = "~0.8.0",  optional = true }
 strsim    = { version = "~0.4.0",  optional = true }
 yaml-rust = { version = "~0.3.2",  optional = true }
-clippy    = { version = "~0.0.74", optional = true }
+clippy    = { version = "~0.0.79", optional = true }
 unicode-width = { version = "~0.1.3",  optional = true }
 term_size = { version = "~0.1.0", optional = true }