diff --git a/libX11-1.6.11.tar.bz2 b/libX11-1.6.11.tar.bz2
deleted file mode 100644
index 929edf0..0000000
--- a/libX11-1.6.11.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b1cc4b802058be7e3fb438ee2490f66fcc52ac3b2a14f47a22cbf77638e33606
-size 2389687
diff --git a/libX11-1.6.12.tar.bz2 b/libX11-1.6.12.tar.bz2
new file mode 100644
index 0000000..c10fa31
--- /dev/null
+++ b/libX11-1.6.12.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f108227469419ac04d196df0f3b80ce1f7f65059bb54c0de811f4d8e03fd6ec7
+size 2376498
diff --git a/libX11.changes b/libX11.changes
index 15a1781..f9f1524 100644
--- a/libX11.changes
+++ b/libX11.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Aug 25 21:24:32 UTC 2020 - Stefan Dirsch <sndirsch@suse.com>
+
+- Update to version 1.6.12
+  * Fix an integer overflow in init_om() [CVE-2020-14363, boo#1175239]
+
 -------------------------------------------------------------------
 Sat Aug 15 17:30:24 UTC 2020 - Tobias Klausmann <tobias.klausmann@freenet.de>
 
diff --git a/libX11.spec b/libX11.spec
index f5a7be5..6436caa 100644
--- a/libX11.spec
+++ b/libX11.spec
@@ -17,7 +17,7 @@
 
 
 Name:           libX11
-Version:        1.6.11
+Version:        1.6.12
 Release:        0
 Summary:        Core X11 protocol client library
 License:        MIT