diff --git a/.gitignore b/.gitignore
index 0dd95b8..5ab9183 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,4 @@ libvpx-0.9.1.tar.bz2
 /v1.8.1.tar.gz
 /v1.8.2.tar.gz
 /v1.9.0.tar.gz
+/v1.10.0-rc1.tar.gz
diff --git a/libvpx.spec b/libvpx.spec
index fc7cea9..e88f16f 100644
--- a/libvpx.spec
+++ b/libvpx.spec
@@ -1,15 +1,17 @@
 %global somajor 6
-%global sominor 0
+%global sominor 3
 %global sotiny  0
 %global soversion %{somajor}.%{sominor}.%{sotiny}
 
+%global prever rc1
+
 Name:			libvpx
 Summary:		VP8/VP9 Video Codec SDK
-Version:		1.9.0
-Release:		3%{?dist}
+Version:		1.10.0
+Release:		0.1.%{prever}%{?dist}
 License:		BSD
 #Source0:		http://downloads.webmproject.org/releases/webm/%{name}-%{version}.tar.bz2
-Source0:		https://github.com/webmproject/libvpx/archive/v%{version}.tar.gz
+Source0:		https://github.com/webmproject/libvpx/archive/v%{version}-%{prever}.tar.gz
 Source1:		vpx_config.h
 # Thanks to debian.
 Source2:		libvpx.ver
@@ -46,7 +48,7 @@ A selection of utilities and tools for VP8, including a sample encoder
 and decoder.
 
 %prep
-%setup -q -n libvpx-%{version}
+%setup -q -n libvpx-%{version}-%{prever}
 %patch0 -p1 -b .leave-fs-on
 
 %build
@@ -233,6 +235,9 @@ rm -rf %{buildroot}%{_prefix}/src
 %{_bindir}/*
 
 %changelog
+* Mon Mar  8 2021 Tom Callaway <spot@fedoraproject.org> - 1.10.0-0.1.rc1
+- update to 1.10.0-rc1
+
 * Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.9.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
 
diff --git a/sources b/sources
index a64f0a3..00fd3e6 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (v1.9.0.tar.gz) = 8d544552b35000ea5712aec220b78bb5f7dc210704b2f609365214cb95a4f5a0e343b362723d829cb4a9ac203b10d5443700ba84b28fd6b2fefbabb40663e298
+SHA512 (v1.10.0-rc1.tar.gz) = 91458f12ebb6598635f773c2e6c8060b06dedda2731349832a43af7e2d6a76ff736e4831d768a0e96ab0b9266dd3f0e179937878440f18db52df621cc653f0db