diff --git a/.gitignore b/.gitignore
index a87add1..9bb22eb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /libcxxabi-3.9.0.src.tar.xz
 /libcxxabi-4.0.0.src.tar.xz
+/libcxxabi-4.0.1.src.tar.xz
diff --git a/libcxxabi.spec b/libcxxabi.spec
index 4d46e50..fc391f1 100644
--- a/libcxxabi.spec
+++ b/libcxxabi.spec
@@ -1,5 +1,5 @@
 Name:		libcxxabi
-Version:	4.0.0
+Version:	4.0.1
 Release:	1%{?dist}
 Summary:	Low level support for a standard C++ library
 License:	MIT or NCSA
@@ -88,6 +88,9 @@ cp -a include/* %{buildroot}%{_includedir}
 %{_libdir}/libc++abi.a
 
 %changelog
+* Fri Jun 23 2017 Tom Callaway <spot@fedoraproject.org> - 4.0.1-1
+- update to 4.0.1
+
 * Sat Apr 22 2017 Tom Callaway <spot@fedoraproject.org> - 4.0.0-1
 - update to 4.0.0
 
diff --git a/sources b/sources
index 7244c2d..687b2d8 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libcxxabi-4.0.0.src.tar.xz) = b69933a0bde00321323e98962cd54b78a48bc5e93448d7a5124cb5ef844497ba7648cd92fcbe476186c60c7742e3121841f150c142c2a14c1bf2aa26a8b93d64
+SHA512 (libcxxabi-4.0.1.src.tar.xz) = e94315ba8a507d8481d70c33e7ab2d724d51726edb8412c70a1b5f59e3f15d5825f1502dc2db138b20e5293fb90a184050be94d5ac270fd7ce78b502efb9f86a