diff --git a/Cargo.toml b/Cargo.toml
index 7b77650..c01f8a7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ error-chain = "0.11.0"
 lazy_static = "1.0.0"
 
 [build-dependencies]
-gl_generator = "0.7"
+gl_generator = "0.9"
 
 [dev-dependencies]
 slog-term = "2.3"