diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..75960b7
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,8 @@
+# vi: ft=sh
+# shellcheck shell=bash
+
+if ! has zvm_direnv_version || ! zvm_direnv_version 1.0.0; then
+  source_url "https://git.lerch.org/lobo/zvm-direnv/raw/tag/1.0.0/direnvrc" "sha256-Gtddvcr6aJsrjKd53uChxA1reQmJgEBpmPUWmMdtDIQ="
+fi
+
+use zig mach-latest