diff --git a/packages/libisl/build.sh b/packages/libisl/build.sh
index 4d974debd..482eec5fe 100644
--- a/packages/libisl/build.sh
+++ b/packages/libisl/build.sh
@@ -1,7 +1,7 @@
 TERMUX_PKG_HOMEPAGE=http://isl.gforge.inria.fr/
 TERMUX_PKG_DESCRIPTION="Library for manipulating sets and relations of integer points bounded by linear constraints"
 TERMUX_PKG_LICENSE="MIT"
-TERMUX_PKG_VERSION=0.20
-TERMUX_PKG_SHA256=a5596a9fb8a5b365cb612e4b9628735d6e67e9178fae134a816ae195017e77aa
+TERMUX_PKG_VERSION=0.21
+TERMUX_PKG_SHA256=777058852a3db9500954361e294881214f6ecd4b594c00da5eee974cd6a54960
 TERMUX_PKG_SRCURL=http://isl.gforge.inria.fr/isl-${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_DEPENDS="libgmp"