diff --git a/repack.sh b/repack.sh
index dbb2a42..5514853 100755
--- a/repack.sh
+++ b/repack.sh
@@ -1,6 +1,6 @@
 #! /bin/bash
 
-version=1.9.12
+version=1.9.13
 prerel=
 
 src=waf-${version}${prerel}.tar.bz2
diff --git a/sources b/sources
index e529cd3..47c7112 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (waf-1.9.12.stripped.tar.bz2) = d032a65a67f048d9adb6417bb38954dc41cfee16a3385e949306997945f30a297653df731eb332d70d2205752f1ddd74139b5083b58c0d5bdcd508794fb24c50
+SHA512 (waf-1.9.13.stripped.tar.bz2) = 3cfbd06c9d87fb4edc0113507eef786ed80201da8d33aec32c8c25b865a7da03ac3b5ddd91378a59aa8b640c651db810203ed49b4fe7992a278a5765d6b39d07
diff --git a/waf.spec b/waf.spec
index 76236df..91cb5a5 100644
--- a/waf.spec
+++ b/waf.spec
@@ -26,8 +26,8 @@
 %endif
 
 Name:           waf
-Version:        1.9.12
-Release:        %{?prerel:0.}1%{?prerel:.%prerel}%{?dist}.1
+Version:        1.9.13
+Release:        %{?prerel:0.}1%{?prerel:.%prerel}%{?dist}
 Summary:        A Python-based build system
 Group:          Development/Tools
 # The entire source code is BSD apart from pproc.py (taken from Python 2.5)
@@ -258,6 +258,9 @@ rm -f docs/sphinx/build/html/.buildinfo
 
 
 %changelog
+* Wed Aug 30 2017 Thomas Moschny <thomas.moschny@gmx.de> - 1.9.13-1
+- Update to 1.9.13.
+
 * Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.9.12-1.1
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild