diff --git a/strum_macros/Cargo.toml b/strum_macros/Cargo.toml
index 4925fc72..b8f00241 100644
--- a/strum_macros/Cargo.toml
+++ b/strum_macros/Cargo.toml
@@ -23,7 +23,7 @@ name = "strum_macros"
 heck = "0.5.0"
 proc-macro2 = "1.0"
 quote = "1.0"
-syn = { version = "2.0", features = ["parsing"] }
+syn = { version = "3.0", features = ["parsing"] }
 
 [dev-dependencies]
 strum = { path = "../strum" }