diff --git a/scripts/bootstrap.sh b/scripts/bootstrap.sh
index cf58e33d5b3..2ff8aaa7e6b 100755
--- a/scripts/bootstrap.sh
+++ b/scripts/bootstrap.sh
@@ -117,7 +117,7 @@ fi
 # ordered cross-build
 for PKG in fortify-headers linux-headers musl libc-dev pkgconf zlib \
 	   openssl ca-certificates libmd \
-	   gmp mpfr4 mpc1 isl24 cloog libucontext binutils gcc \
+	   gmp mpfr4 mpc1 isl25 cloog libucontext binutils gcc \
 	   libbsd libretls busybox make \
 	   apk-tools file \
 	   libcap openrc alpine-conf alpine-baselayout alpine-keys alpine-base patch build-base \