diff --git a/.gitignore b/.gitignore
index 7e1f4c3..dc770ab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -120,3 +120,4 @@
 /syn-2.0.15.crate
 /syn-2.0.16.crate
 /syn-2.0.18.crate
+/syn-2.0.23.crate
diff --git a/rust-syn.spec b/rust-syn.spec
index 99a4aa1..415a8a3 100644
--- a/rust-syn.spec
+++ b/rust-syn.spec
@@ -6,7 +6,7 @@
 %global crate syn
 
 Name:           rust-syn
-Version:        2.0.18
+Version:        2.0.23
 Release:        %autorelease
 Summary:        Parser for Rust source code
 
diff --git a/sources b/sources
index 4fc9d73..aa1c82c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (syn-2.0.18.crate) = 2642eb35d52022c6d21bb893843beb9b737a267f620e1f5a6c9096d434fd1fab05fe007c8d8b6f1fe00a25007d6f55dbd4ec620b9f5c1154659bf34c246334dd
+SHA512 (syn-2.0.23.crate) = 3f46b2ae62b2e3378024d057130e48b7ae03316ea38ce1d7d4e6dac9337befd84c9eb20518562917643304de43bbd716c34f508a86dbe21081cccb934b4072a0