diff --git a/.gitignore b/.gitignore
index 7b7babb..bfe743a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,4 @@
 /syn-0.15.1.crate
 /syn-0.15.3.crate
 /syn-0.15.4.crate
+/syn-0.15.6.crate
diff --git a/rust-syn.spec b/rust-syn.spec
index 18a4392..1396464 100644
--- a/rust-syn.spec
+++ b/rust-syn.spec
@@ -6,7 +6,7 @@
 %global crate syn
 
 Name:           rust-%{crate}
-Version:        0.15.4
+Version:        0.15.6
 Release:        1%{?dist}
 Summary:        Parser for Rust source code
 
@@ -63,6 +63,9 @@ which use %{crate} from crates.io.
 %{cargo_registry}/%{crate}-%{version}/
 
 %changelog
+* Fri Sep 28 2018 Josh Stone <jistone@redhat.com> - 0.15.6-1
+- Update to 0.15.6
+
 * Wed Sep 12 2018 Josh Stone <jistone@redhat.com> - 0.15.4-1
 - Update to 0.15.4
 
diff --git a/sources b/sources
index 8ff5628..55acfe3 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (syn-0.15.4.crate) = 09a691675f69d4b75222c463cf2cab25851f8052e95eb655f22d6991fe7dfc171af50bb94d346688244400ace7c83e78e44914d409de16673d34e1060d39f27d
+SHA512 (syn-0.15.6.crate) = 0a66940bfd1e14000c354fa2253e9bc119cb44fe232953b12bf30c58b6bdfab14044fb8a14b4836ff036515f4cf06a4ac8110bf058da272b2309890f26d46a6d