diff --git a/.gitignore b/.gitignore
index 112e3ec..84a3401 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,3 +22,5 @@
 /libcxxabi-10.0.0rc2.src.tar.xz.sig
 /libcxxabi-10.0.0rc3.src.tar.xz
 /libcxxabi-10.0.0rc3.src.tar.xz.sig
+/libcxxabi-10.0.0rc4.src.tar.xz
+/libcxxabi-10.0.0rc4.src.tar.xz.sig
diff --git a/libcxxabi.spec b/libcxxabi.spec
index d1bf9d5..154c25b 100644
--- a/libcxxabi.spec
+++ b/libcxxabi.spec
@@ -1,5 +1,5 @@
-%global rc_ver 3
-%global baserelease 0.2
+%global rc_ver 4
+%global baserelease 0.3
 %global libcxxabi_srcdir libcxxabi-%{version}%{?rc_ver:rc%{rc_ver}}.src
 
 
@@ -96,6 +96,9 @@ cp -a include/* %{buildroot}%{_includedir}
 %{_libdir}/libc++abi.a
 
 %changelog
+* Sun Mar 15 2020 sguelton@redhat.com - 10.0.0-0.3.rc4
+- 10.0.0 rc4
+
 * Thu Mar 05 2020 sguelton@redhat.com - 10.0.0-0.2.rc3
 - 10.0.0 rc3
 
diff --git a/sources b/sources
index 83c1288..b6d7b25 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (libcxxabi-10.0.0rc3.src.tar.xz) = 7b917d845aafc432f38bb95270fbe4e7a33d5ea3ccccedd84db663fc9becc3afa6071d6b01c11c793ce341d617598c3c79c63e2ad910832272668b120b12f036
-SHA512 (libcxxabi-10.0.0rc3.src.tar.xz.sig) = 2abe84aaad4d5c86bc05f95b8ce495c32054c2a36e9ac824befd071627ea9326b2f3b6d0ee1879fc77e53a72c754779def722525d799dcb1607aa28dd89532e7
+SHA512 (libcxxabi-10.0.0rc4.src.tar.xz) = 20d6aa688e3055e16f03dcd9c9c652bef43ba1fd4c1462aa79a4c21efad1d5cb0ea64541770c2fc91099f57af3f36455e0297bf563fb31578629c4881d223746
+SHA512 (libcxxabi-10.0.0rc4.src.tar.xz.sig) = c750752165e5966143325ce42cbfc492472d40b0e44e98b01ca57fce51da0f9196b076ab27c54db8d9b30b91fb6324d18fab0443d38f24430abf6aca6516eb18