diff --git a/.abf.yml b/.abf.yml
index e894a43..288af51 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,3 +1,3 @@
 sources:
   "linux-4.1.tar.xz": 2470435c2218f0bcbd46ef2a0000694aca340273
-  "patch-4.1.13.xz": 78fd172e91047d43768cb90c1986fff591595af2
+  "patch-4.1.15.xz": 7d074639880f1031246ece297c641df3215d90cd
diff --git a/kernel.spec b/kernel.spec
index fb030cc..f12f467 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -3,7 +3,7 @@
 %define kernelversion	4
 %define patchlevel	1
 # sublevel is now used for -stable patches
-%define sublevel	13
+%define sublevel	15
 
 # Package release
 %define mibrel		1
diff --git a/patch-4.1.13.sign b/patch-4.1.13.sign
deleted file mode 100644
index 127e09d..0000000
--- a/patch-4.1.13.sign
+++ /dev/null
@@ -1,17 +0,0 @@
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diff --git a/patch-4.1.15.sign b/patch-4.1.15.sign
new file mode 100644
index 0000000..c3f7c73
--- /dev/null
+++ b/patch-4.1.15.sign
@@ -0,0 +1,17 @@
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