diff --git a/bindown.yml b/bindown.yml
index b020c69..4d22e59 100644
--- a/bindown.yml
+++ b/bindown.yml
@@ -1,9 +1,10 @@
 systems:
   - darwin/amd64
+  - darwin/arm64
   - linux/amd64
 dependencies:
   action-doc:
-    template: action-doc#action-doc
+    template: action-doc
     vars:
       version: 0.4.0
   octo:
@@ -33,12 +34,22 @@ dependencies:
     required_vars:
       - ref
 templates:
-  action-doc#action-doc:
+  action-doc:
     url: https://github.com/WillAbides/action-doc/releases/download/v{{.version}}/action-doc_{{.version}}_{{.os}}_{{.arch}}.tar.gz
     systems:
       - darwin/amd64
+      - darwin/arm64
       - linux/386
       - linux/amd64
+    overrides:
+      - matcher:
+          os:
+            - darwin
+          arch:
+            - arm64
+        dependency:
+          vars:
+            arch: amd64
     required_vars:
       - version
   origin#octo:
@@ -81,22 +92,41 @@ templates:
     required_vars:
       - version
   origin#shellcheck:
-    url: https://github.com/koalaman/shellcheck/releases/download/v{{.version}}/shellcheck-v{{.version}}.{{.os}}.{{.arch}}.tar.xz
-    archive_path: shellcheck-v{{.version}}/shellcheck
+    homepage: https://www.shellcheck.net
+    description: ShellCheck, a static analysis tool for shell scripts
+    url: https://github.com/koalaman/shellcheck/releases/download/v{{.version}}/shellcheck-v{{.version}}.{{.os}}.{{.arch}}{{.urlSuffix}}
+    archive_path: shellcheck-v{{.version}}/shellcheck{{.archivePathSuffix}}
     bin: shellcheck
+    vars:
+      archivePathSuffix: ""
+      urlSuffix: .tar.xz
     overrides:
       - matcher:
           os:
             - windows
         dependency:
           url: https://github.com/koalaman/shellcheck/releases/download/v{{.version}}/shellcheck-v{{.version}}.zip
-          archive_path: shellcheck-v{{.version}}.exe
+          archive_path: shellcheck.exe
+      - matcher:
+          arch:
+            - arm64
+          os:
+            - darwin
+        dependency:
+          substitutions:
+            arch:
+              arm64: x86_64
     substitutions:
       arch:
         amd64: x86_64
+        arm: armv6hf
+        arm64: aarch64
     systems:
       - darwin/amd64
+      - darwin/arm64
       - linux/amd64
+      - linux/arm
+      - linux/arm64
       - windows/amd64
     required_vars:
       - version
@@ -138,6 +168,7 @@ url_checksums:
   https://github.com/koalaman/shellcheck/releases/download/v0.7.1/shellcheck-v0.7.1.linux.x86_64.tar.xz: 64f17152d96d7ec261ad3086ed42d18232fcb65148b44571b564d688269d36c8
   https://github.com/kward/shunit2/archive/ebc4baa08f045b7ef0f45c4b7d6f34f08d732f3d.tar.gz: d18b23a0db5deed5b0e10a732ac1f94579ac2781ce9408d62f0e847e3fa6910b
   https://github.com/mvdan/sh/releases/download/v3.6.0/shfmt_v3.6.0_darwin_amd64: b8c9c025b498e2816b62f0b717f6032e9ab49e725a45b8205f52f66318f17185
+  https://github.com/mvdan/sh/releases/download/v3.6.0/shfmt_v3.6.0_darwin_arm64: 633f242246ee0a866c5f5df25cbf61b6af0d5e143555aca32950059cf13d91e0
   https://github.com/mvdan/sh/releases/download/v3.6.0/shfmt_v3.6.0_linux_amd64: 5741a02a641de7e56b8da170e71a97e58050d66a3cf485fb268d6a5a8bb74afb
   https://github.com/octo-cli/octo-cli/releases/download/v0.23.0/octo-cli_0.23.0_Darwin_x86_64.tar.gz: 1388c1ca5838a453055930035c81b231b829ef3b0511cc7765dffdd73b83d355
   https://github.com/octo-cli/octo-cli/releases/download/v0.23.0/octo-cli_0.23.0_Linux_x86_64.tar.gz: 7bad6194d91bd9cd86a348dadafd7725b3bb4010afe36294df0740e8c815947a