diff --git a/Cargo.lock b/Cargo.lock
index 3aa0214..6e8ebcf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -497,7 +497,7 @@ dependencies = [
  "reqwest",
  "serde",
  "serde_json",
- "syn 1.0.109",
+ "syn 2.0.15",
  "uuid",
 ]
 
@@ -525,7 +525,7 @@ dependencies = [
  "reqwest",
  "serde",
  "serde_json",
- "syn 1.0.109",
+ "syn 2.0.15",
  "uuid",
  "wasm-bindgen-test",
 ]
@@ -1250,12 +1250,12 @@ checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
 
 [[package]]
 name = "prettyplease"
-version = "0.1.25"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c8646e95016a7a6c4adea95bafa8a16baab64b583356217f2c85db4a39d9a86"
+checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
 dependencies = [
  "proc-macro2",
- "syn 1.0.109",
+ "syn 2.0.15",
 ]
 
 [[package]]
diff --git a/example-build/Cargo.toml b/example-build/Cargo.toml
index 7c9d5b3..f53856a 100644
--- a/example-build/Cargo.toml
+++ b/example-build/Cargo.toml
@@ -14,7 +14,7 @@ serde = { version = "1.0", features = ["derive"] }
 uuid = { version = "1.3", features = ["serde", "v4"] }
 
 [build-dependencies]
-prettyplease = "0.1.25"
+prettyplease = "0.2.4"
 progenitor = { path = "../progenitor" }
 serde_json = "1.0"
-syn = "1.0"
+syn = "2.0"
diff --git a/example-wasm/Cargo.toml b/example-wasm/Cargo.toml
index 904f476..332c35f 100644
--- a/example-wasm/Cargo.toml
+++ b/example-wasm/Cargo.toml
@@ -15,7 +15,7 @@ uuid = { version = "1.3", features = ["serde", "v4", "js"] }
 wasm-bindgen-test = "0.3.34"
 
 [build-dependencies]
-prettyplease = "0.1.25"
+prettyplease = "0.2.4"
 progenitor = { path = "../progenitor" }
 serde_json = "1.0"
-syn = "1.0"
+syn = "2.0"