diff --git a/.gitignore b/.gitignore
index cbb0c16..e05e892 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@
 /proc-macro2-0.4.12.crate
 /proc-macro2-0.4.18.crate
 /proc-macro2-0.4.19.crate
+/proc-macro2-0.4.20.crate
diff --git a/rust-proc-macro2.spec b/rust-proc-macro2.spec
index f0368df..22c7405 100644
--- a/rust-proc-macro2.spec
+++ b/rust-proc-macro2.spec
@@ -6,7 +6,7 @@
 %global crate proc-macro2
 
 Name:           rust-%{crate}
-Version:        0.4.19
+Version:        0.4.20
 Release:        1%{?dist}
 Summary:        Stable implementation of the upcoming new `proc_macro` API
 
@@ -57,6 +57,9 @@ which use %{crate} from crates.io.
 %{cargo_registry}/%{crate}-%{version}/
 
 %changelog
+* Thu Oct 04 2018 Josh Stone <jistone@redhat.com> - 0.4.20-1
+- Update to 0.4.20
+
 * Tue Sep 11 2018 Josh Stone <jistone@redhat.com> - 0.4.19-1
 - Update to 0.4.19
 
diff --git a/sources b/sources
index 751241a..9c9bad3 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (proc-macro2-0.4.19.crate) = 8769eb1582a70277605bd62629321f485704a4df6fcb64b571b87e2a1dab60e982fe24504ea08ddbe03f0681bdf4bfd9aafc63d2f7ef38b84429431121f98b52
+SHA512 (proc-macro2-0.4.20.crate) = 40c3bc5c147325523f02832db015925b7fdbbc7c430be39c8829bf8f7e9bae33fbb3313328daa1dc7d791545df5af76d27f1ec9f44943db91bee8c729a02df79