diff --git a/lua/mason-registry/tectonic/init.lua b/lua/mason-registry/tectonic/init.lua
index 2a3e05fff..a35a7fdf3 100644
--- a/lua/mason-registry/tectonic/init.lua
+++ b/lua/mason-registry/tectonic/init.lua
@@ -3,6 +3,7 @@ local platform = require "mason-core.platform"
 local _ = require "mason-core.functional"
 local github = require "mason-core.managers.github"
 local std = require "mason-core.managers.std"
+local Optional = require "mason-core.optional"
 
 local coalesce, when = _.coalesce, _.when
 
@@ -25,14 +26,16 @@ return Pkg.new {
                 github
                     .untargz_release_file({
                         repo = repo,
+                        version = Optional.of "tectonic@0.12.0",
                         asset_file = coalesce(
-                            when(platform.is.mac, format_release_file "tectonic-%s-x86_64-apple-darwin.tar.gz"),
+                            when(platform.is.mac_x64, format_release_file "tectonic-%s-x86_64-apple-darwin.tar.gz"),
+                            when(platform.is.mac_arm64, format_release_file "tectonic-%s-aarch64-apple-darwin.tar.gz"),
                             when(
                                 platform.is.linux_x64_gnu,
                                 format_release_file "tectonic-%s-x86_64-unknown-linux-gnu.tar.gz"
                             ),
                             when(
-                                platform.is.linux_x64_musl,
+                                platform.is.linux_x64,
                                 format_release_file "tectonic-%s-x86_64-unknown-linux-musl.tar.gz"
                             ),
                             when(