diff --git a/.gitignore b/.gitignore
index 1cfd241..e760417 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
 /quote-0.6.4.crate
 /quote-0.6.5.crate
 /quote-0.6.6.crate
+/quote-0.6.8.crate
diff --git a/rust-quote.spec b/rust-quote.spec
index ff1034a..e8c5c3d 100644
--- a/rust-quote.spec
+++ b/rust-quote.spec
@@ -6,10 +6,11 @@
 %global crate quote
 
 Name:           rust-%{crate}
-Version:        0.6.6
+Version:        0.6.8
 Release:        1%{?dist}
 Summary:        Quasi-quoting macro quote!(...)
 
+# Upstream license specification: MIT/Apache-2.0
 License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/quote
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
@@ -18,7 +19,7 @@ ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
 # [dependencies]
-BuildRequires:  (crate(proc-macro2) >= 0.4.4 with crate(proc-macro2) < 0.5.0)
+BuildRequires:  (crate(proc-macro2) >= 0.4.13 with crate(proc-macro2) < 0.5.0)
 
 %description
 %{summary}.
@@ -54,6 +55,9 @@ which use %{crate} from crates.io.
 %{cargo_registry}/%{crate}-%{version}/
 
 %changelog
+* Fri Sep 07 2018 Josh Stone <jistone@redhat.com> - 0.6.8-1
+- Update to 0.6.8
+
 * Mon Aug 13 2018 Josh Stone <jistone@redhat.com> - 0.6.6-1
 - Update to 0.6.6
 
diff --git a/sources b/sources
index 8e36bba..59142ad 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (quote-0.6.6.crate) = db32b013c563daf8bba88a166c7c2db1542d7931a5c8bb96bbe08cf402f218bd1aec1b342ae399868f635fd98be6544aa9b499ca1b370b7b9f406ed3e0859bc4
+SHA512 (quote-0.6.8.crate) = d436fd7b1a4a16362b5d4a67e051b87ca91012522b0ec2835654dbb15db46953a944521c1c7b7c411b7964ab1ecdab178bf003ef5569c6ab0592d753ab81d6d3