diff --git a/Cargo.toml b/Cargo.toml
index 5bedd17fc9..e045fbd590 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -111,7 +111,7 @@ pin-project-lite = "0.2.13"
 postcard = "1.0.4"
 predicates = "2.1.5"
 pretty_assertions = "1.3.0"
-proc-macro2 = "1.0.51"
+proc-macro2 = "1.0.67"
 qstring = "0.7.2"
 quote = "1.0.23"
 rand = "0.8.5"