diff --git a/actix-multipart-derive/Cargo.toml b/actix-multipart-derive/Cargo.toml
index aca6de84a..cf2dfd058 100644
--- a/actix-multipart-derive/Cargo.toml
+++ b/actix-multipart-derive/Cargo.toml
@@ -21,7 +21,7 @@ darling = "0.14"
 parse-size = "1"
 proc-macro2 = "1"
 quote = "1"
-syn = "1"
+syn = "2"
 
 [dev-dependencies]
 actix-multipart = "0.6"
diff --git a/actix-web-codegen/Cargo.toml b/actix-web-codegen/Cargo.toml
index 4f2fdc566..99822fd52 100644
--- a/actix-web-codegen/Cargo.toml
+++ b/actix-web-codegen/Cargo.toml
@@ -18,7 +18,7 @@ proc-macro = true
 actix-router = "0.5"
 proc-macro2 = "1"
 quote = "1"
-syn = { version = "1", features = ["full", "extra-traits"] }
+syn = { version = "2", features = ["full", "extra-traits"] }
 
 [dev-dependencies]
 actix-macros = "0.2.3"