diff --git a/Cargo.lock b/Cargo.lock
index 6c2fb03..193c71d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -455,7 +455,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.119",
+ "syn 3.0.3",
 ]
 
 [[package]]
diff --git a/packages/fortifier-macros/Cargo.toml b/packages/fortifier-macros/Cargo.toml
index 7e545dc..003eeb8 100644
--- a/packages/fortifier-macros/Cargo.toml
+++ b/packages/fortifier-macros/Cargo.toml
@@ -24,7 +24,7 @@ convert_case = "0.11.0"
 proc-macro-crate = "3.4.0"
 proc-macro2 = "1.0.103"
 quote = "1.0.42"
-syn = "2.0.110"
+syn = "3.0.0"
 
 [lints]
 workspace = true