diff --git a/build_rootfs.sh b/build_rootfs.sh
index 0760ac0..1c5d336 100755
--- a/build_rootfs.sh
+++ b/build_rootfs.sh
@@ -87,7 +87,7 @@ config_rootfs() {
 install_packages() {
   cp src/linux-okreader-modules_2.6.35.3-1_armhf.deb rootfs/
   cp src/firmware-okreader_1.0-1_armhf.deb rootfs/
-  cp src/koreader_2017.03-3_armhf.deb rootfs/
+  cp src/koreader_2017.03-4_armhf.deb rootfs/
   cp src/kobo_hwconfig/kobo-hwconfig_1.0-1_armhf.deb rootfs/
 
   chroot rootfs/ bash -c "dpkg -i /*.deb"
diff --git a/src/koreader b/src/koreader
index 6ff0167..13d8f61 160000
--- a/src/koreader
+++ b/src/koreader
@@ -1 +1 @@
-Subproject commit 6ff01679c4a4ab11111bd45b2858093286d36de5
+Subproject commit 13d8f61ec32299f3840eadf10649f5b051977668
diff --git a/src/koreader-pkg/DEBIAN/control b/src/koreader-pkg/DEBIAN/control
index 0f51b73..5565af3 100644
--- a/src/koreader-pkg/DEBIAN/control
+++ b/src/koreader-pkg/DEBIAN/control
@@ -1,5 +1,5 @@
 Package: koreader
-Version: 2017.03-3
+Version: 2017.03-4
 Maintainer: Cosmin Gorgovan <okreader@linux-geek.org>
 Architecture: armhf
 Description: An ebook viewer application.