diff --git a/api/v1/install/dev/6.1/windows10.json b/api/v1/install/dev/6.1/windows10.json
index 55d74224c..27248dddb 100644
--- a/api/v1/install/dev/6.1/windows10.json
+++ b/api/v1/install/dev/6.1/windows10.json
@@ -1,4 +1,6 @@
 ---
 layout: none
 ---
-{ "x86_64": {{ site.data.builds.swift-6_1-branch.windows10 | jsonify }}}
+{ "x86_64": {{ site.data.builds.swift-6_1-branch.windows10 | jsonify }},
+  "arm64": {{ site.data.builds.swift-6_1-branch.windows10-arm64 | jsonify }}
+}
diff --git a/api/v1/install/dev/main/windows10.json b/api/v1/install/dev/main/windows10.json
index c667acd45..b6f022a78 100644
--- a/api/v1/install/dev/main/windows10.json
+++ b/api/v1/install/dev/main/windows10.json
@@ -1,4 +1,6 @@
 ---
 layout: none
 ---
-{ "x86_64": {{ site.data.builds.development.windows10 | jsonify }}}
+{ "x86_64": {{ site.data.builds.development.windows10 | jsonify }},
+  "arm64": {{ site.data.builds.development.windows10-arm64 | jsonify }}
+}