diff --git a/Cargo.toml b/Cargo.toml
index 8959659..b1dd5d9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,21 +15,21 @@ edition = "2018"
 [dependencies]
 indexmap = "1"
 grammer = "0.0.1"
-proc-macro2 = "0.4.30"
-proc-quote = "0.2.2"
+proc-macro2 = "1.0.6"
+proc-quote = "0.3.0"
 
 [build-dependencies]
 indexmap = "1"
 grammer = "0.0.1"
-proc-macro2 = "0.4.30"
-proc-quote = "0.2.2"
+proc-macro2 = "1.0.6"
+proc-quote = "0.3.0"
 
 [lib]
 doctest = false
 test = false
 
 [patch.'crates-io']
-grammer = { git = "https://github.com/lykenware/grammer", rev = "eecb1b16cd234408d066fabec63786003925452d" }
+grammer = { git = "https://github.com/lykenware/grammer", rev = "7850625d06e5f838cd175c109c29642a1bbfa500" }
 
 [workspace]
 members = [