diff --git a/packages/dev-python/rsa/rsa-3.4.2.exheres-0 b/packages/dev-python/rsa/rsa-3.4.2.exheres-0
new file mode 100644
index 0000000..5152ce0
--- /dev/null
+++ b/packages/dev-python/rsa/rsa-3.4.2.exheres-0
@@ -0,0 +1,18 @@
+# Copyright 2017 Julian Ospald <hasufell@posteo.de>
+# Distributed under the terms of the GNU General Public License v2
+
+require pypi setup-py [ import=setuptools ]
+
+SUMMARY="Pure-Python RSA implementation"
+
+LICENCES="Apache-2.0"
+SLOT="0"
+PLATFORMS="~amd64 ~x86"
+MYOPTIONS=""
+
+
+DEPENDENCIES="
+    build+run:
+        dev-python/pyasn1[python_abis:*(-)?]
+"
+