diff --git a/src/kafkerl.app.src b/src/kafkerl.app.src
index 7d01c5a..57780f5 100644
--- a/src/kafkerl.app.src
+++ b/src/kafkerl.app.src
@@ -2,7 +2,12 @@
  [{description, []},
   {vsn, "1.5"},
   {registered, []},
-  {applications, [kernel, stdlib]},
+  {applications,
+   [
+    kernel,
+    stdlib,
+    validerl
+   ]},
   {mod, {kafkerl, []}},
   {env, []},
   {lager, [{handlers, [{lager_console_backend, info}]}]}]}.