diff --git a/srcpkgs/ol/template b/srcpkgs/ol/template
index 6538444a3ff..1b158b6953b 100644
--- a/srcpkgs/ol/template
+++ b/srcpkgs/ol/template
@@ -1,14 +1,17 @@
 # Template file for 'ol'
 pkgname=ol
-version=2.1
+version=2.1.1
 revision=1
 build_style=gnu-makefile
+hostmakedepends="xxd"
 short_desc="Purely functional dialect of Lisp"
 maintainer="rc-05 <rc23@email.it>"
 license="LGPL-3.0-or-later, MIT"
 homepage="https://yuriy-chumak.github.io/ol/"
 distfiles="https://github.com/yuriy-chumak/ol/archive/${version}.tar.gz"
-checksum=4cb05d3c17f041d9dd60fd9379b427d39249c61654b628a1ffa6b75e41c2abbd
+checksum=ac3fa5e1d7f0fb5ad236c293915000ecfaaadbf1fb0812cbe60609112993b718
+
+CFLAGS="-lm"
 
 post_install() {
 	vlicense LICENSE