diff --git a/project.clj b/project.clj
index 129c10c8..6d890b40 100644
--- a/project.clj
+++ b/project.clj
@@ -38,7 +38,7 @@
                  [org.cyverse/cyverse-groups-client "0.1.9"]
                  [org.cyverse/common-cfg "2.8.3"]
                  [org.cyverse/common-cli "2.8.2"]
-                 [org.cyverse/common-swagger-api "3.4.6"]
+                 [org.cyverse/common-swagger-api "3.4.7"]
                  [org.cyverse/kameleon "3.0.10"
                   :exclusion [com.impossibl.pgjdbc-ng/pgjdbc-ng]]
                  [com.impossibl.pgjdbc-ng/pgjdbc-ng "0.8.9"]
diff --git a/src/terrain/clients/apps/raw.clj b/src/terrain/clients/apps/raw.clj
index 9e98a0bf..f5aed9cc 100644
--- a/src/terrain/clients/apps/raw.clj
+++ b/src/terrain/clients/apps/raw.clj
@@ -170,6 +170,16 @@
                   :content-type :json
                   :as           :json}))))
 
+(defn set-app-versions-order
+  [system-id app-id update-request]
+  (:body
+    (client/put (apps-url "apps" system-id app-id "versions")
+                (disable-redirects
+                  {:query-params (secured-params)
+                   :form-params  update-request
+                   :content-type :json
+                   :as           :json}))))
+
 (defn preview-args
   [system-id app]
   (:body
diff --git a/src/terrain/routes/apps/versions.clj b/src/terrain/routes/apps/versions.clj
index a4842a75..acfbd2a9 100644
--- a/src/terrain/routes/apps/versions.clj
+++ b/src/terrain/routes/apps/versions.clj
@@ -30,6 +30,14 @@
                    :description schema/AppVersionCreateDocs
                    (ok (apps/create-app-version system-id app-id body)))
 
+             (PUT "/" []
+                  :middleware [require-authentication]
+                  :body [body schema/AppVersionOrderRequest]
+                  :return schema/App
+                  :summary schema/AppVersionOrderSummary
+                  :description schema/AppVersionOrderDocs
+                  (ok (apps/set-app-versions-order system-id app-id body)))
+
              (context "/:version-id" []
                       :path-params [version-id :- schema/AppVersionIdParam]