diff --git a/srcpkgs/z3/template b/srcpkgs/z3/template
index 5c24bec533b..656527da3a9 100644
--- a/srcpkgs/z3/template
+++ b/srcpkgs/z3/template
@@ -1,6 +1,6 @@
 # Template file for 'z3'
 pkgname=z3
-version=4.12.5
+version=4.12.6
 revision=1
 build_style=configure
 configure_args="--prefix=/usr -g --python $(vopt_if ocaml --ml)"
@@ -14,7 +14,7 @@ maintainer="Leah Neukirchen <leah@vuxu.org>"
 license="MIT"
 homepage="https://github.com/Z3Prover/z3"
 distfiles="https://github.com/Z3Prover/z3/archive/z3-${version}.tar.gz"
-checksum=70e211e0a8e77febccc51865e45111066f623356a4ef0b527c3597362bc6db72
+checksum=9e46a1260ea26c441a1ad6faf378bf911ee9ffd110868867b4b2f2e3c7d2200e
 
 build_options="ocaml"
 desc_option_ocaml="Enable support for OCaml bindings"
@@ -23,7 +23,9 @@ shlib_provides="libz3.so"
 subpackages="$(vopt_if ocaml z3-ocaml)"
 
 if [ -z "$CROSS_BUILD" ]; then
-	build_options_default="ocaml"
+	case "$XBPS_TARGET_MACHINE" in
+		x86_64*|aarch64*|riscv64*) build_options_default="ocaml"
+	esac
 fi
 
 do_check() {