--- bindgen-0.42.0/Cargo.toml	1970-01-01T01:00:00+01:00
+++ bindgen-0.42.0/Cargo.toml	2018-10-04T17:12:48.839921+02:00
@@ -63,11 +63,11 @@
 version = "0.1.2"
 
 [dependencies.proc-macro2]
-version = "0.3.2, < 0.3.6"
+version = "0.4"
 default-features = false
 
 [dependencies.quote]
-version = "0.5"
+version = "0.6"
 default-features = false
 
 [dependencies.regex]