diff --git a/tuplez-macros/Cargo.toml b/tuplez-macros/Cargo.toml
index 345f128..10b0db2 100644
--- a/tuplez-macros/Cargo.toml
+++ b/tuplez-macros/Cargo.toml
@@ -15,6 +15,6 @@ categories = [ "data-structures", "development-tools::procedural-macro-helpers"
 proc-macro = true
 
 [dependencies]
-syn = { version = "2.0", features = ["full"] }
+syn = { version = "3.0", features = ["full"] }
 quote = "1.0"
 proc-macro2 = "1.0"