1 files changed, 2 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 118f7da7..f78db2fe 100644
--- a/tox.ini
+++ b/tox.ini
@@ -32,6 +32,8 @@ deps =
     certifi
 # used by e2e tests
     srp
+# force six version to avoid breaking pgpy - https://github.com/SecurityInnovation/PGPy/issues/217
+    six==1.10.0
     pgpy
 # install soledad from current tree
     -e.[client]