diff --git a/registry.toml b/registry.toml
index f6b8d95036f..c9683125203 100644
--- a/registry.toml
+++ b/registry.toml
@@ -1665,6 +1665,8 @@ scie-pants.backends = [
     "ubi:pantsbuild/scie-pants",
     "asdf:robzr/asdf-scie-pants"
 ]
+sd.backends = ["aqua:chmln/sd"]
+sd.test = ["sd --version", "sd {{version}}"]
 seed7.backends = ["asdf:mise-plugins/mise-seed7"]
 semgrep.backends = ["asdf:mise-plugins/mise-semgrep"]
 semtag.backends = ["asdf:mise-plugins/mise-semtag"]