diff --git a/.gitignore b/.gitignore
index beb31b5..f6c1f3b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,5 @@
 /lld-10.0.0rc2.src.tar.xz.sig
 /lld-10.0.0rc3.src.tar.xz
 /lld-10.0.0rc3.src.tar.xz.sig
+/lld-10.0.0rc4.src.tar.xz
+/lld-10.0.0rc4.src.tar.xz.sig
diff --git a/lld.spec b/lld.spec
index 7e37bd0..68301e6 100644
--- a/lld.spec
+++ b/lld.spec
@@ -1,5 +1,5 @@
-%global rc_ver 3
-%global baserelease 0.3
+%global rc_ver 4
+%global baserelease 0.4
 %global lld_srcdir lld-%{version}%{?rc_ver:rc%{rc_ver}}.src
 %global maj_ver 10
 %global min_ver 0
@@ -185,6 +185,9 @@ make -C %{_target_platform} %{?_smp_mflags} check-lld
 %{_datadir}/lld/lit.lld-test.cfg.py
 
 %changelog
+* Sun Mar 15 2020 sguelton@redhat.com - 10.0.0-0.4.rc4
+- 10.0.0 rc4
+
 * Thu Mar 05 2020 sguelton@redhat.com - 10.0.0-0.3.rc3
 - 10.0.0 rc3
 
diff --git a/sources b/sources
index 96e1cbc..c23f66d 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (lld-10.0.0rc3.src.tar.xz) = 1fe8085ffecd0c51f3ebb4ebcc50b15ce2834b41d83cfe09bed3f1f6e9310db7e409ff7291e9173f5693154d8abcbfe87db5867b3cc43585c9367ba56f5214ff
-SHA512 (lld-10.0.0rc3.src.tar.xz.sig) = 8bdaf095b07fc13c44e75ac37c34bc06756aebd35397447de2ad00ba1b5186135d583e5eac0a2a97947ab690ea349dd665210592629ea369ff62090b8d490967
+SHA512 (lld-10.0.0rc4.src.tar.xz) = 8680874bace65dc5c3f21c0a623a36875c6a511f23193922b78ef185986f4d0f2f0efcdac705d75af72f1808eef1224e5c1d733eb643eb6f85fa9931fad354f0
+SHA512 (lld-10.0.0rc4.src.tar.xz.sig) = c06e53baab13e565f3113f62f5f03440d87a6d7ed97a482b3c0ed31bcc7491399241be8d4e4c390d9c08d50b5ceebfb4c1b46bae0e51c7495cdcb9179c3fe368