diff --git a/nghttp2-1.31.0.tar.xz b/nghttp2-1.31.0.tar.xz
deleted file mode 100644
index 982e497..0000000
--- a/nghttp2-1.31.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:36573c2dc74f0da872b02a3ccf1f1419d6b992dd4703dc866e5a289d36397ac7
-size 1545800
diff --git a/nghttp2-1.31.1.tar.xz b/nghttp2-1.31.1.tar.xz
new file mode 100644
index 0000000..8caf187
--- /dev/null
+++ b/nghttp2-1.31.1.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:65b9c83ae95a7760a14410aeefa9d441c34453027bc938df7a2272520f32e103
+size 1545400
diff --git a/nghttp2.changes b/nghttp2.changes
index e616705..6f5251e 100644
--- a/nghttp2.changes
+++ b/nghttp2.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Fri Apr 13 08:40:38 UTC 2018 - tchvatal@suse.com
+
+- Version umpdate to 1.31.1:
+  * Fix bsc#1088639 CVE-2018-1000168
+  * https://nghttp2.org/blog/2018/04/12/nghttp2-v1-31-1/
+
 -------------------------------------------------------------------
 Mon Apr  9 10:16:47 UTC 2018 - tchvatal@suse.com
 
diff --git a/nghttp2.spec b/nghttp2.spec
index b80fbe6..d3b3235 100644
--- a/nghttp2.spec
+++ b/nghttp2.spec
@@ -21,7 +21,7 @@
 %define soname_asio libnghttp2_asio
 %define sover_asio 1
 Name:           nghttp2
-Version:        1.31.0
+Version:        1.31.1
 Release:        0
 Summary:        Implementation of Hypertext Transfer Protocol version 2 in C
 License:        MIT