diff --git a/Cargo.lock b/Cargo.lock
index e29626a..8f90a1d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -13,9 +13,9 @@ dependencies = [
 
 [[package]]
 name = "anchor-syn"
-version = "0.30.1"
+version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f99daacb53b55cfd37ce14d6c9905929721137fd4c67bbab44a19802aecb622f"
+checksum = "5dc7a6d90cc643df0ed2744862cdf180587d1e5d28936538c18fc8908489ed67"
 dependencies = [
  "anyhow",
  "bs58",
diff --git a/crate/Cargo.toml b/crate/Cargo.toml
index d9c7427..f9d85b9 100644
--- a/crate/Cargo.toml
+++ b/crate/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-anchor-syn = "0.30.1"
+anchor-syn = "0.31.1"
 clippy_utils = { git = "https://github.com/rust-lang/rust-clippy", rev = "19e305bb57a7595f2a8d81f521c0dd8bf854e739" }
 if_chain = "1.0"
 syn = { version = "1.0.109", features = ["parsing"] }