diff --git a/base64-0.9.2-fix-metadata.diff b/base64-0.9.2-fix-metadata.diff
new file mode 100644
index 0000000..fa70f32
--- /dev/null
+++ b/base64-0.9.2-fix-metadata.diff
@@ -0,0 +1,10 @@
+--- base64-0.9.2/Cargo.toml	1970-01-01T01:00:00+01:00
++++ base64-0.9.2/Cargo.toml	2018-06-16T02:55:57.004204+02:00
+@@ -27,6 +27,6 @@
+ version = "1.1.0"
+ 
+ [dependencies.safemem]
+-version = "0.2.0"
++version = "0.3"
+ [dev-dependencies.rand]
+ version = "0.4"
diff --git a/rust-base64.spec b/rust-base64.spec
index 1130bee..c421423 100644
--- a/rust-base64.spec
+++ b/rust-base64.spec
@@ -6,19 +6,22 @@
 
 Name:           rust-%{crate}
 Version:        0.9.2
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Encodes ands decode base64 as bytes or utf8
 
 License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/base64
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
+# Initial patched metadata
+# * Bump safemem to 0.3, https://github.com/alicemaz/rust-base64/pull/63
+Patch0:         base64-0.9.2-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
 # [dependencies]
 BuildRequires:  (crate(byteorder) >= 1.1.0 with crate(byteorder) < 2.0.0)
-BuildRequires:  (crate(safemem) >= 0.2.0 with crate(safemem) < 0.3.0)
+BuildRequires:  (crate(safemem) >= 0.3.0 with crate(safemem) < 0.4.0)
 %if %{with check}
 # [dev-dependencies]
 BuildRequires:  (crate(rand) >= 0.4.0 with crate(rand) < 0.5.0)
@@ -58,6 +61,9 @@ which use %{crate} from crates.io.
 %{cargo_registry}/%{crate}-%{version}/
 
 %changelog
+* Sat Jun 16 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.9.2-2
+- Bump safemem to 0.3
+
 * Tue Jun 05 2018 Josh Stone <jistone@redhat.com> - 0.9.2-1
 - Update to 0.9.2