diff --git a/srcpkgs/z3/template b/srcpkgs/z3/template
index bca042082b3..fb8aca291c2 100644
--- a/srcpkgs/z3/template
+++ b/srcpkgs/z3/template
@@ -1,6 +1,6 @@
 # Template file for 'z3'
 pkgname=z3
-version=4.8.12
+version=4.8.13
 revision=4
 wrksrc="${pkgname}-${pkgname}-${version}"
 build_style=configure
@@ -15,7 +15,7 @@ maintainer="Leah Neukirchen <leah@vuxu.org>"
 license="MIT"
 homepage="https://github.com/Z3Prover/z3"
 distfiles="https://github.com/Z3Prover/z3/archive/z3-${version}.tar.gz"
-checksum=e3aaefde68b839299cbc988178529535e66048398f7d083b40c69fe0da55f8b7
+checksum=59a0b35711fa7ae48dd535116d2067a6a16955fcbf2623c516a3f630cd2832d8
 
 build_options="ocaml"
 desc_option_ocaml="Enable support for OCaml bindings"