diff --git a/relate/settings.py b/relate/settings.py
index dc3328377cecbb4d9ae011d14811db075156849a..839f23bdd6264c5fec9437fa9fabf947c64e9af4 100644
--- a/relate/settings.py
+++ b/relate/settings.py
@@ -113,8 +113,8 @@ BOWER_INSTALLED_APPS = (
     "datatables.net-bs",
     "datatables.net-fixedcolumns",
     "datatables.net-fixedcolumns-bs",
-    "jstree",
-    "select2>=4.0.0",
+    "jstree#3.2.1",
+    "select2#4.0.1",
     "select2-bootstrap-css",
     )