diff --git a/impl/Cargo.toml b/impl/Cargo.toml
index 3c5c771..b46e926 100644
--- a/impl/Cargo.toml
+++ b/impl/Cargo.toml
@@ -12,9 +12,9 @@ rust-version = "1.56"
 proc-macro = true
 
 [dependencies]
-proc-macro2 = "1.0.63"
-quote = "1.0.29"
-syn = "2.0.23"
+proc-macro2 = "1.0.74"
+quote = "1.0.35"
+syn = "2.0.46"
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]