diff --git a/pkgs/development/python-modules/cryptography_vectors/default.nix b/pkgs/development/python-modules/cryptography_vectors/default.nix
index 5c04bd8ba938..ce272d29ca19 100644
--- a/pkgs/development/python-modules/cryptography_vectors/default.nix
+++ b/pkgs/development/python-modules/cryptography_vectors/default.nix
@@ -6,11 +6,11 @@
 buildPythonPackage rec {
   # also bump cryptography
   pname = "cryptography_vectors";
-  version = cryptography.version;
+  version = "2.1.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "beb831aa73663a224f4d7520483ed02da544533bb03b26ec07a5f9a0dd0941e1";
+    sha256 = "78c4b4f3f84853ea5d038e2f53d355229dd8119fe9cf949c3e497c85c760a5ca";
   };
 
   # No tests included