1 files changed, 1 insertions, 1 deletions
diff --git a/Cargo.toml b/Cargo.toml
index cbb3394..3266ce5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ getopts = "^0.2"
 toml = "0.2"
 log = "0.3"
 env_logger = "0.3"
-lalrpop-util = "0.12"
+lalrpop-util = "^0.12.4"
 markdown = "0.1"
 
 # parser util