diff --git a/.gitignore b/.gitignore
index 394364e..0cdf5c5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /quote-0.4.2.crate
 /quote-0.5.1.crate
 /quote-0.5.2.crate
+/quote-0.6.3.crate
diff --git a/rust-quote.spec b/rust-quote.spec
index 5512e10..96d479d 100644
--- a/rust-quote.spec
+++ b/rust-quote.spec
@@ -5,7 +5,7 @@
 %global crate quote
 
 Name:           rust-%{crate}
-Version:        0.5.2
+Version:        0.6.3
 Release:        1%{?dist}
 Summary:        Quasi-quoting macro quote!(...)
 
@@ -17,7 +17,7 @@ ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
 # [dependencies]
-BuildRequires:  (crate(proc-macro2) >= 0.3.0 with crate(proc-macro2) < 0.4.0)
+BuildRequires:  (crate(proc-macro2) >= 0.4.4 with crate(proc-macro2) < 0.5.0)
 
 %description
 %{summary}.
@@ -53,6 +53,9 @@ which use %{crate} from crates.io.
 %{cargo_registry}/%{crate}-%{version}/
 
 %changelog
+* Thu Jun 21 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.6.3-1
+- Update to 0.6.3
+
 * Sun Apr 22 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.5.2-1
 - Update to 0.5.2
 
diff --git a/sources b/sources
index a1765b1..43d6f3a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (quote-0.5.2.crate) = 66c0469bf1970164e87a4960791932ca06726c79bc522fe0bdfbd41ed23428e32448aa01a0f02066169c165364465eacbd19cdde47e96b4dba017a491842e6ac
+SHA512 (quote-0.6.3.crate) = f2ff3cd617c69007c4f60961728c73a7ac7a2eaeb1d6da51218d2fbc9e85c06baeaccc9b82771a304bace04024479a192b88336546f96e17c6446ba85df94a10