diff --git a/tools/isl/Makefile b/tools/isl/Makefile
index 1d375a13900..da37437119d 100644
--- a/tools/isl/Makefile
+++ b/tools/isl/Makefile
@@ -7,11 +7,11 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=isl
-PKG_VERSION:=0.17.1
+PKG_VERSION:=0.18
 
 PKG_SOURCE_URL:=http://isl.gforge.inria.fr
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
-PKG_HASH:=be152e5c816b477594f4c6194b5666d8129f3a27702756ae9ff60346a8731647
+PKG_HASH:=0f35051cc030b87c673ac1f187de40e386a1482a0cfdf2c552dd6031b307ddc4
 
 HOST_BUILD_PARALLEL:=1