1 files changed, 1 insertions, 0 deletions
diff --git a/setup.py b/setup.py
index 3e2ab3eb..ead5ec4f 100644
--- a/setup.py
+++ b/setup.py
@@ -36,6 +36,7 @@ VECTORS_DEPENDENCY = "cryptography_vectors=={0}".format(about['__version__'])
 
 requirements = [
     CFFI_DEPENDENCY,
+    "enum34",
     "pyasn1",
     SIX_DEPENDENCY,
     SETUPTOOLS_DEPENDENCY