diff --git a/Package.resolved b/Package.resolved
index 9ef4ccbd6..a1c5f5ffe 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -41,8 +41,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-syntax.git",
       "state" : {
-        "revision" : "ebe38853ae283adeffaf3e389aaf98172f2f7a04",
-        "version" : "509.0.0-swift-DEVELOPMENT-SNAPSHOT-2023-04-25-b"
+        "revision" : "27cd6190ce0628847a3f8050794d6e627ad79c08",
+        "version" : "509.0.0-swift-DEVELOPMENT-SNAPSHOT-2023-05-02-a"
       }
     },
     {
diff --git a/Package.swift b/Package.swift
index bf4ed9bb9..93624864a 100644
--- a/Package.swift
+++ b/Package.swift
@@ -11,7 +11,7 @@ let package = Package(
     ],
     dependencies: [
         .package(url: "https://github.com/apple/swift-argument-parser.git", .upToNextMinor(from: "1.2.1")),
-        .package(url: "https://github.com/apple/swift-syntax.git", exact: "509.0.0-swift-DEVELOPMENT-SNAPSHOT-2023-04-25-b"),
+        .package(url: "https://github.com/apple/swift-syntax.git", exact: "509.0.0-swift-DEVELOPMENT-SNAPSHOT-2023-05-02-a"),
         .package(url: "https://github.com/jpsim/SourceKitten.git", .upToNextMinor(from: "0.34.1")),
         .package(url: "https://github.com/jpsim/Yams.git", from: "5.0.5"),
         .package(url: "https://github.com/scottrhoyt/SwiftyTextTable.git", from: "0.9.0"),
diff --git a/bazel/repos.bzl b/bazel/repos.bzl
index 2c5326521..313034e1c 100644
--- a/bazel/repos.bzl
+++ b/bazel/repos.bzl
@@ -20,9 +20,9 @@ def swiftlint_repos(bzlmod = False):
 
     http_archive(
         name = "SwiftSyntax",
-        sha256 = "9eff9d7154f62d5cfaa967f288847bbfbdfad69f2fcaf47fa44d314aa647a77b",
-        strip_prefix = "swift-syntax-509.0.0-swift-DEVELOPMENT-SNAPSHOT-2023-04-25-b",
-        url = "https://github.com/apple/swift-syntax/archive/refs/tags/509.0.0-swift-DEVELOPMENT-SNAPSHOT-2023-04-25-b.tar.gz",
+        sha256 = "8d21552ba8e28646ba11081d790d38d0986bd9920eaa67d8f9910402390f1e6e",
+        strip_prefix = "swift-syntax-509.0.0-swift-DEVELOPMENT-SNAPSHOT-2023-05-02-a",
+        url = "https://github.com/apple/swift-syntax/archive/refs/tags/509.0.0-swift-DEVELOPMENT-SNAPSHOT-2023-05-02-a.tar.gz",
     )
 
     http_archive(