diff --git a/nalgebra-macros/Cargo.toml b/nalgebra-macros/Cargo.toml
index 8124ec78..6d08ed49 100644
--- a/nalgebra-macros/Cargo.toml
+++ b/nalgebra-macros/Cargo.toml
@@ -16,7 +16,7 @@ license = "Apache-2.0"
 proc-macro = true
 
 [dependencies]
-syn = { version="1.0", features = ["full"] }
+syn = { version = "2.0", features = ["full"] }
 quote = "1.0"
 proc-macro2 = "1.0"