diff --git a/.gitignore b/.gitignore
index ba886c8..c8962ef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /libcxx-3.8.0.src.tar.xz
 /libcxx-3.8.1.src.tar.xz
 /libcxx-3.9.0.src.tar.xz
+/libcxx-3.9.1.src.tar.xz
diff --git a/libcxx.spec b/libcxx.spec
index 6cbef60..ec70ecd 100644
--- a/libcxx.spec
+++ b/libcxx.spec
@@ -3,8 +3,8 @@
 %global bootstrap 0
 
 Name:		libcxx
-Version:	3.9.0
-Release:	4%{?dist}
+Version:	3.9.1
+Release:	1%{?dist}
 Summary:	C++ standard library targeting C++11
 License:	MIT or NCSA
 URL:		http://libcxx.llvm.org/
@@ -98,6 +98,9 @@ make install DESTDIR=%{buildroot}
 %{_libdir}/libc++.so
 
 %changelog
+* Wed Mar  8 2017 Tom Callaway <spot@fedoraproject.org> - 3.9.1-1
+- update to 3.9.1
+
 * Fri Mar  3 2017 Tom Callaway <spot@fedoraproject.org> - 3.9.0-4
 - LIBCXX_ENABLE_ABI_LINKER_SCRIPT=ON
 
diff --git a/sources b/sources
index 5887e86..268f724 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libcxx-3.9.0.src.tar.xz) = 55d5c4adff378ee02b0b99d732bc9f326910f9e49ab8c320a588eccdd0362fe009bc9a6a4337d29faf6338420c91b10d0d7d67f66128268f01258d30502c4f4a
+SHA512 (libcxx-3.9.1.src.tar.xz) = a5976e4096624a7307b3e43f4a22ac2dc74572226e0f57af9f3ef537a14c3cff1601b7042aef9dc40a0ee53ca76b08d72eb9c253dcf34f115d3153c302db7070