diff --git a/.gitignore b/.gitignore
index 7a067cd..fd3445f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -61,3 +61,4 @@
 /syn-1.0.18.crate
 /syn-1.0.19.crate
 /syn-1.0.20.crate
+/syn-1.0.21.crate
diff --git a/rust-syn.spec b/rust-syn.spec
index 3dfc8b3..08ecd9c 100644
--- a/rust-syn.spec
+++ b/rust-syn.spec
@@ -6,7 +6,7 @@
 %global crate syn
 
 Name:           rust-%{crate}
-Version:        1.0.20
+Version:        1.0.21
 Release:        1%{?dist}
 Summary:        Parser for Rust source code
 
@@ -204,6 +204,9 @@ which use "visit-mut" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Wed May 13 2020 Josh Stone <jistone@redhat.com> - 1.0.21-1
+- Update to 1.0.21
+
 * Tue May 12 2020 Josh Stone <jistone@redhat.com> - 1.0.20-1
 - Update to 1.0.20
 
diff --git a/sources b/sources
index 74edee5..921a9df 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (syn-1.0.20.crate) = 3b1e4c96cac345aaca1a7d57d06148aa757190dece29c2ac1a86ce503c20c547c4f00b1b3849e565b0155478f850ee800c5e3e5cf2fc5ecca1c4e3c59420b229
+SHA512 (syn-1.0.21.crate) = 0c329c82dcb4425da8800894da103da9656dad7abf07098b7c8752a6c35ad644956e78981b1d4dc0b4d26bb8e2e4866aef969da4e4e5e885c76e35c781862e6c