diff --git a/tools/isl/Makefile b/tools/isl/Makefile
index 1ce20fb49cb..481c29634ea 100644
--- a/tools/isl/Makefile
+++ b/tools/isl/Makefile
@@ -7,11 +7,11 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=isl
-PKG_VERSION:=0.26
+PKG_VERSION:=0.27
 
 PKG_SOURCE_URL:=https://libisl.sourceforge.io/
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
-PKG_HASH:=b10473024cbf17d7db85323121eff0e50f03de14342a03738b4d384b587ce212
+PKG_HASH:=7a1a3f04d57c7c72fee5a6148cd3b02b05db6a6dd9a58def7bdc00972a6301c3
 
 HOST_BUILD_PARALLEL:=1