diff --git a/conf/machine/include/sysmobts.inc b/conf/machine/include/sysmobts.inc
index de327c4..4693a1c 100644
--- a/conf/machine/include/sysmobts.inc
+++ b/conf/machine/include/sysmobts.inc
@@ -1,7 +1,7 @@
 TARGET_ARCH = "arm"
 
 PREFERRED_PROVIDER_virtual/kernel = "linux-sysmocom"
-PREFERRED_VERSION_linux-sysmocom = "${@dict([('1.5', '3.10.84+git%')]).get(d.getVar('DISTRO_VERSION', True)[0:3],'4.9.14+git%')}"
+PREFERRED_VERSION_linux-sysmocom = "${@dict([('1.5', '3.10.84+git%')]).get(d.getVar('DISTRO_VERSION', True)[0:3],'4.9.59+git%')}"
 PREFERRED_PROVIDERS += "virtual/${TARGET_PREFIX}depmod:module-init-tools-cross"
 
 PREFERRED_VERSION_u-boot = "git"
diff --git a/conf/machine/sysmocom-apu2.conf b/conf/machine/sysmocom-apu2.conf
index c509468..8895e46 100644
--- a/conf/machine/sysmocom-apu2.conf
+++ b/conf/machine/sysmocom-apu2.conf
@@ -11,7 +11,7 @@ PREFERRED_PROVIDER_virtual/libx11 ?= "libx11-diet"
 PREFERRED_PROVIDER_virtual/xserver ?= "xserver-xf86-dri-lite"
 PREFERRED_PROVIDER_virtual/xserver-xf86 ?= "xserver-xf86-dri-lite"
 PREFERRED_PROVIDER_virtual/kernel = "linux-sysmocom"
-PREFERRED_VERSION_linux-sysmocom = "${@dict([('1.5', '3.10.84+git%')]).get(d.getVar('DISTRO_VERSION', True)[0:3],'4.9.14+git%')}"
+PREFERRED_VERSION_linux-sysmocom = "${@dict([('1.5', '3.10.84+git%')]).get(d.getVar('DISTRO_VERSION', True)[0:3],'4.9.59+git%')}"
 
 MACHINE_FEATURES += "kernel26 x86 usbhost pci acpi"
 
diff --git a/conf/machine/sysmocom-bsc.conf b/conf/machine/sysmocom-bsc.conf
index 8476894..b6f7bc4 100644
--- a/conf/machine/sysmocom-bsc.conf
+++ b/conf/machine/sysmocom-bsc.conf
@@ -9,7 +9,7 @@ PREFERRED_PROVIDER_virtual/libx11 ?= "libx11-diet"
 PREFERRED_PROVIDER_virtual/xserver ?= "xserver-xf86-dri-lite"
 PREFERRED_PROVIDER_virtual/xserver-xf86 ?= "xserver-xf86-dri-lite"
 PREFERRED_PROVIDER_virtual/kernel = "linux-sysmocom"
-PREFERRED_VERSION_linux-sysmocom = "${@dict([('1.5', '3.10.84+git%')]).get(d.getVar('DISTRO_VERSION', True)[0:3],'4.9.14+git%')}"
+PREFERRED_VERSION_linux-sysmocom = "${@dict([('1.5', '3.10.84+git%')]).get(d.getVar('DISTRO_VERSION', True)[0:3],'4.9.59+git%')}"
 
 require conf/machine/include/tune-geode.inc
 
diff --git a/conf/machine/sysmocom-idu.conf b/conf/machine/sysmocom-idu.conf
index c1a8891..a02f504 100644
--- a/conf/machine/sysmocom-idu.conf
+++ b/conf/machine/sysmocom-idu.conf
@@ -11,7 +11,7 @@ PREFERRED_PROVIDER_virtual/libx11 ?= "libx11-diet"
 PREFERRED_PROVIDER_virtual/xserver ?= "xserver-xf86-dri-lite"
 PREFERRED_PROVIDER_virtual/xserver-xf86 ?= "xserver-xf86-dri-lite"
 PREFERRED_PROVIDER_virtual/kernel = "linux-sysmocom"
-PREFERRED_VERSION_linux-sysmocom = "${@dict([('1.5', '3.10.84+git%')]).get(d.getVar('DISTRO_VERSION', True)[0:3],'4.9.14+git%')}"
+PREFERRED_VERSION_linux-sysmocom = "${@dict([('1.5', '3.10.84+git%')]).get(d.getVar('DISTRO_VERSION', True)[0:3],'4.9.59+git%')}"
 
 MACHINE_FEATURES += "kernel26 x86 usbhost pci acpi"
 
diff --git a/recipes-bsp/linux/linux-sysmocom_4.9.bb b/recipes-bsp/linux/linux-sysmocom_4.9.bb
index 4e74528..eb161c5 100644
--- a/recipes-bsp/linux/linux-sysmocom_4.9.bb
+++ b/recipes-bsp/linux/linux-sysmocom_4.9.bb
@@ -7,18 +7,18 @@ DEPENDS += "bc-native"
 # reverse dependency tracking for the kernel doesn't appear to work. So
 # please bump the PR on version changes!
 # at versions changes do not forget to update conf/machine/include/sysmobts.inc too
-LINUX_VERSION ?= "4.9.14"
+LINUX_VERSION ?= "4.9.59"
 LINUX_VERSION_EXTENSION ?= "-sysmocom-${LINUX_KERNEL_TYPE}"
 
 # Overrides for the sysmocom bts v2
 BTS_FIRMWARE_NAME_sysmobts-v2 = "sysmobts-v2"
 
-SRCREV = "8d5d275254642b70b3ecf18a5b9b9fe9d5777230"
+SRCREV = "27afed74546b4fa5546aeea26128eae2dcdc7c1f"
 
-PR = "r3"
+PR = "r4"
 PV = "${LINUX_VERSION}+git${SRCPV}"
 
-SRC_URI = "git://git.sysmocom.de/sysmo-bts/linux.git;protocol=git;branch=lynxis/v4.9 \
+SRC_URI = "git://git.sysmocom.de/sysmo-bts/linux.git;protocol=git;branch=tracking/linux-stable-4.9 \
 	   file://defconfig"
 
 S = "${WORKDIR}/git"