diff --git a/.gitignore b/.gitignore
index 1ff0e84..036298d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@
 /libabigail-1.0.rc2.tar.gz
 /libabigail-1.0.rc3.tar.gz
 /fix-test-diff-pkg-patch.txt
+/libabigail-1.0.rc4.tar.gz
diff --git a/libabigail.spec b/libabigail.spec
index e5990b4..13777b5 100644
--- a/libabigail.spec
+++ b/libabigail.spec
@@ -1,15 +1,14 @@
-%global tarball_revision rc3
+%global tarball_revision rc4
 %global tarball_name %{name}-%{version}.%{tarball_revision}
 
 Name: libabigail
 Version: 1.0
-Release: 0.%{tarball_revision}.2%{?dist}.1
+Release: 0.8.%{tarball_revision}.1%{?dist}
 Summary: Set of ABI analysis tools
 
 License: LGPLv3+
 URL: https://sourceware.org/libabigail/
 Source0: http://mirrors.kernel.org/sourceware/libabigail/%{tarball_name}.tar.gz
-Patch0: fix-test-diff-pkg-patch.txt
 
 BuildRequires: gcc-c++
 BuildRequires: libtool
@@ -59,7 +58,6 @@ format.
 
 %prep
 %setup -n %{tarball_name}
-%patch0 -p1
 
 %build
 %configure --disable-silent-rules --disable-zip-archive --disable-static 
@@ -125,6 +123,10 @@ fi
 %doc doc/manuals/html/*
 
 %changelog
+* Sun Apr 17 2016 Dodji Seketeli <dodji@seketeli.org> - 1.0-0.8.rc4.1
+- Update to upstream 1.0.rc4
+- Remove fix-test-diff-pkg-patch.txt as it was applied upstream.
+
 * Tue Mar  8 2016 Dodji Seketeli <dodji@seketeli.org> - 1.0-0.rc3.2
 - Fix test-diff-pkg regression test failure due to a race condition.
 
diff --git a/sources b/sources
index 6a90a31..94520a7 100644
--- a/sources
+++ b/sources
@@ -1,2 +1 @@
-1419b1922cfaadcae757667c05aee37f  fix-test-diff-pkg-patch.txt
-474d074a6b637cd4cc09d20c7f3c19c5  libabigail-1.0.rc3.tar.gz
+655c6450e2525316c52cc9d60bb51c83  libabigail-1.0.rc4.tar.gz