diff --git a/.gitignore b/.gitignore
index f3b88e2..c86db41 100644
--- a/.gitignore
+++ b/.gitignore
@@ -65,3 +65,5 @@
 /lldb-12.0.0rc1.src.tar.xz.sig
 /lldb-12.0.0rc2.src.tar.xz
 /lldb-12.0.0rc2.src.tar.xz.sig
+/lldb-12.0.0rc3.src.tar.xz
+/lldb-12.0.0rc3.src.tar.xz.sig
diff --git a/lldb.spec b/lldb.spec
index 1ed91c6..3fc96f9 100644
--- a/lldb.spec
+++ b/lldb.spec
@@ -1,5 +1,5 @@
-%global rc_ver 2
-%global baserelease 7
+%global rc_ver 3
+%global baserelease 8
 %global lldb_srcdir %{name}-%{version}%{?rc_ver:rc%{rc_ver}}.src
 
 Name:		lldb
@@ -130,6 +130,9 @@ rm -f %{buildroot}%{python3_sitearch}/six.*
 %{python3_sitearch}/lldb
 
 %changelog
+* Thu Mar 11 2021 sguelton@redhat.com - 12.0.0-8.rc3
+- LLVM 12.0.0 rc3
+
 * Thu Mar 11 2021 sguelton@redhat.com - 12.0.0-7.rc2
 - rebuilt
 
diff --git a/sources b/sources
index 7d1c260..f256f50 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (lldb-12.0.0rc2.src.tar.xz) = e94f9340592d562bab7b8fdb2e6c1f44479ca5710cd8a3f5b0343bb525be7aa2f7ab2e1d9213b5b3d24358a41e2650e6cfdeb6fee73256ed395aa966e193bc6c
-SHA512 (lldb-12.0.0rc2.src.tar.xz.sig) = 5032136e2be8192a874d5c51da48ccf57960c7efb335cfc92235724c1f380440494de46448413e47b370a54b52fff5018f9903615d36c7707f1e26527cb5c048
+SHA512 (lldb-12.0.0rc3.src.tar.xz) = 2cc8040f1cd72fb205b7577f50897d4fc83af357b133a6ee3baaf99149c14821afc3299fe375a723c3e7e8812b0232bb691efe34e48dccffae49a6699e88caa4
+SHA512 (lldb-12.0.0rc3.src.tar.xz.sig) = f53e435d79440c3d14943ed4a0e49598acee00072ecc94f8b467f7dcd4161341d7477bdb3dee381a782bbdbf96a60e349905ebe3e648e81def63bca140994843