diff --git a/.gitignore b/.gitignore
index 1f8320e..c2824ab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@
 /cbindgen-0.6.4.crate
 /cbindgen-0.6.6.crate
 /cbindgen-0.6.7.crate
+/cbindgen-0.6.8.crate
diff --git a/rust-cbindgen.spec b/rust-cbindgen.spec
index 44d0d62..96b7dd3 100644
--- a/rust-cbindgen.spec
+++ b/rust-cbindgen.spec
@@ -4,7 +4,7 @@
 %global crate cbindgen
 
 Name:           rust-%{crate}
-Version:        0.6.7
+Version:        0.6.8
 Release:        1%{?dist}
 Summary:        Tool for generating C bindings to Rust code
 
@@ -24,12 +24,12 @@ BuildRequires:  (crate(log/default) >= 0.4.0 with crate(log/default) < 0.5.0)
 BuildRequires:  (crate(serde/default) >= 1.0.0 with crate(serde/default) < 2.0.0)
 BuildRequires:  (crate(serde/derive) >= 1.0.0 with crate(serde/derive) < 2.0.0)
 BuildRequires:  (crate(serde_json/default) >= 1.0.0 with crate(serde_json/default) < 2.0.0)
-BuildRequires:  (crate(syn/clone-impls) >= 0.14.0 with crate(syn/clone-impls) < 0.15.0)
-BuildRequires:  (crate(syn/derive) >= 0.14.0 with crate(syn/derive) < 0.15.0)
-BuildRequires:  (crate(syn/extra-traits) >= 0.14.0 with crate(syn/extra-traits) < 0.15.0)
-BuildRequires:  (crate(syn/full) >= 0.14.0 with crate(syn/full) < 0.15.0)
-BuildRequires:  (crate(syn/parsing) >= 0.14.0 with crate(syn/parsing) < 0.15.0)
-BuildRequires:  (crate(syn/printing) >= 0.14.0 with crate(syn/printing) < 0.15.0)
+BuildRequires:  (crate(syn/clone-impls) >= 0.15.0 with crate(syn/clone-impls) < 0.16.0)
+BuildRequires:  (crate(syn/derive) >= 0.15.0 with crate(syn/derive) < 0.16.0)
+BuildRequires:  (crate(syn/extra-traits) >= 0.15.0 with crate(syn/extra-traits) < 0.16.0)
+BuildRequires:  (crate(syn/full) >= 0.15.0 with crate(syn/full) < 0.16.0)
+BuildRequires:  (crate(syn/parsing) >= 0.15.0 with crate(syn/parsing) < 0.16.0)
+BuildRequires:  (crate(syn/printing) >= 0.15.0 with crate(syn/printing) < 0.16.0)
 BuildRequires:  (crate(tempfile/default) >= 3.0.0 with crate(tempfile/default) < 4.0.0)
 BuildRequires:  (crate(toml/default) >= 0.4.0 with crate(toml/default) < 0.5.0)
 BuildRequires:  crate(serde_derive/default) = 1.0.58
@@ -99,6 +99,9 @@ pathfix.py -pni "%{__python3} %{py3_shbang_opts}" test.py
 %endif
 
 %changelog
+* Mon Jan 07 2019 Josh Stone <jistone@redhat.com> - 0.6.8-1
+- Update to 0.6.8
+
 * Fri Nov 02 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.6.7-1
 - Update to 0.6.7
 
diff --git a/sources b/sources
index 346d4a1..78342dc 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (cbindgen-0.6.7.crate) = 1a2a3f2055b0527b878b78834e6c802a171ed5f3494ff4819622f8244821d9a1b23d34d0c9370bee10a9f334cdbdfac43cb513f61bd49d57614f66825cd78030
+SHA512 (cbindgen-0.6.8.crate) = 605a1ad264b0d14b158939acf3ca820c9cfe97a7f148030c63171cb92f3470e1e7da08fe9bb7302ba5af7ad0ed78892f08b838c678acd5ffc30d6b596c724521