diff --git a/reprounzip-qt/setup.cfg b/reprounzip-qt/setup.cfg
new file mode 100644
index 000000000..2a9acf13d
--- /dev/null
+++ b/reprounzip-qt/setup.cfg
@@ -0,0 +1,2 @@
+[bdist_wheel]
+universal = 1
diff --git a/reprozip-jupyter/setup.cfg b/reprozip-jupyter/setup.cfg
new file mode 100644
index 000000000..2a9acf13d
--- /dev/null
+++ b/reprozip-jupyter/setup.cfg
@@ -0,0 +1,2 @@
+[bdist_wheel]
+universal = 1