diff --git a/mingw-w64-crt-3.1.0.tar.xz b/mingw-w64-crt-3.1.0.tar.xz
deleted file mode 100644
index 120be33..0000000
--- a/mingw-w64-crt-3.1.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b55b353e397e95acf3325cb9135ba22114bf5ab8321bc97f387ed86d82e4edd9
-size 1177944
diff --git a/mingw-w64-crt-3.1.99-r6638.tar.xz b/mingw-w64-crt-3.1.99-r6638.tar.xz
new file mode 100644
index 0000000..98f9ce1
--- /dev/null
+++ b/mingw-w64-crt-3.1.99-r6638.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b7964d0457b74e7429eb389e0de29ce112400c2cd046b85e9109cdad56b22398
+size 28794880
diff --git a/mingw32-runtime.spec b/mingw32-runtime.spec
index c730741..af62b42 100644
--- a/mingw32-runtime.spec
+++ b/mingw32-runtime.spec
@@ -23,15 +23,17 @@
 %define __find_provides %{_mingw32_findprovides}
 %define __os_install_post %{_mingw32_install_post}
 
+%define snapshot -r6638
+
 Name:           mingw32-runtime
-Version:        3.1.0
+Version:        3.1.99
 Release:        0
 Summary:        MinGW-w64 runtime libraries for Win32
 License:        SUSE-Public-Domain
 Group:          Development/Libraries/C and C++
 Url:            http://mingw-w64.sf.net/
 
-Source:         mingw-w64-crt-%version.tar.xz
+Source:         mingw-w64-crt-%version%{snapshot}.tar.xz
 Source100:      %name-rpmlintrc
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildArch:      noarch