diff --git a/.gitignore b/.gitignore
index aa494ce..a53087c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,5 @@
 /llvm-project-11.0.0rc3.tar.xz.sig
 /llvm-project-11.0.0rc5.tar.xz
 /llvm-project-11.0.0rc5.tar.xz.sig
+/llvm-project-11.0.0rc6.tar.xz
+/llvm-project-11.0.0rc6.tar.xz.sig
diff --git a/mlir.spec b/mlir.spec
index 276c21f..50439ad 100644
--- a/mlir.spec
+++ b/mlir.spec
@@ -1,5 +1,5 @@
-%global rc_ver 5
-%global baserelease 0.4
+%global rc_ver 6
+%global baserelease 0.5
 %global maj_ver 11
 %global min_ver 0
 %global patch_ver 0
@@ -107,6 +107,9 @@ export LD_LIBRARY_PATH=%{_builddir}/%{mlir_srcdir}/%{name}/%{_build}/bin
 %{_libdir}/cmake/mlir
 
 %changelog
+* Thu Oct 08 2020 sguelton@redhat.com - 11.0.0-0.5.rc6
+- 11.0.0-rc6
+
 * Fri Oct 02 2020 sguelton@redhat.com - 11.0.0-0.4.rc5
 - 11.0.0-rc5 Release
 
diff --git a/sources b/sources
index 5988a62..14e8556 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (llvm-project-11.0.0rc5.tar.xz) = 7f1c918dc625fed8fdb8388902f02ff72a58b4ea994f43bd9b6606273f112e34e6b868e770b573dd90d6690a90c4a93763db3178764aa94a74f666eb00760d6b
-SHA512 (llvm-project-11.0.0rc5.tar.xz.sig) = 52c44f03fd4ccc32e5826a1870d1b6aa836716eb1dcd58f8dc159bedff607853a1fe1a3371e5825cc6fe2af6f0fe937c639a8940566f773b46e45494b191c416
+SHA512 (llvm-project-11.0.0rc6.tar.xz) = ad302b2c0908b5e377cd3894a6ed08f2bca1b702d76789e7a83e0ef3ffa3e89ce09d8dfb6d22b9f5e205c01117e22a9552bf55ca2d5845583ed379bb4af0b2b4
+SHA512 (llvm-project-11.0.0rc6.tar.xz.sig) = 1e305d30949afc4e83eab66fe450fb48ab0f92f2c7eb381e351312c4f0abfe53927337f815bc5236ba9d749c246e14986f2531397a36dd50149b0c000273f87e