diff --git a/lib/pleroma/web/mastodon_api/views/instance_view.ex b/lib/pleroma/web/mastodon_api/views/instance_view.ex
index 73205fb6db..b7ea221908 100644
--- a/lib/pleroma/web/mastodon_api/views/instance_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/instance_view.ex
@@ -47,6 +47,9 @@ def render("show.json", _) do
         },
         stats: %{mau: Pleroma.User.active_user_count()},
         vapid_public_key: Keyword.get(Pleroma.Web.Push.vapid_config(), :public_key)
+      },
+      soapbox: %{
+        version: Soapbox.version()
       }
     }
   end
diff --git a/lib/soapbox.ex b/lib/soapbox.ex
new file mode 100644
index 0000000000..ab7ef4a16c
--- /dev/null
+++ b/lib/soapbox.ex
@@ -0,0 +1,5 @@
+defmodule Soapbox do
+  @version "0.0.99"
+
+  def version, do: @version
+end
diff --git a/test/pleroma/web/mastodon_api/controllers/instance_controller_test.exs b/test/pleroma/web/mastodon_api/controllers/instance_controller_test.exs
index b998566591..6803113b6b 100644
--- a/test/pleroma/web/mastodon_api/controllers/instance_controller_test.exs
+++ b/test/pleroma/web/mastodon_api/controllers/instance_controller_test.exs
@@ -48,6 +48,7 @@ test "get instance information", %{conn: conn} do
     assert result["pleroma"]["metadata"]["fields_limits"]
     assert result["pleroma"]["vapid_public_key"]
     assert result["pleroma"]["stats"]["mau"] == 0
+    assert result["soapbox"]["version"] =~ "."
 
     assert email == from_config_email
     assert thumbnail == from_config_thumbnail