diff --git a/srcpkgs/palp/template b/srcpkgs/palp/template
index 6a11005d305..cf98fc87377 100644
--- a/srcpkgs/palp/template
+++ b/srcpkgs/palp/template
@@ -1,14 +1,15 @@
 # Template file for 'palp'
 pkgname=palp
-version=2.20
+version=2.21
 revision=1
 build_style=gnu-makefile
+checkdepends="singular"
 short_desc="Package for analyzing lattice polytopes"
 maintainer="Gonzalo Tornaría <tornaria@cmat.edu.uy>"
 license="GPL-3.0-only"
 homepage="http://hep.itp.tuwien.ac.at/~kreuzer/CY/CYpalp.html"
 distfiles="http://hep.itp.tuwien.ac.at/~kreuzer/CY/palp/palp-${version}.tar.gz"
-checksum=723e89e78b2d3d94a720dd770c11b932b3e6b56f8a49e0bf3621c776f7a02ce0
+checksum=7e4a7bf219998a844c0bcce0a176e49d0743cb4b505a0e195329bf2ec196ddd7
 
 
 # build procedure taken from sagemath, see