diff --git a/requirements-nover.txt b/requirements-nover.txt
index d6f8b2ac9..5a9949b75 100644
--- a/requirements-nover.txt
+++ b/requirements-nover.txt
@@ -59,4 +59,5 @@ jsonpath-rw
 bintrees
 redlock
 semantic-version
-bencode
\ No newline at end of file
+bencode
+cryptography==1.1.2  # Remove version when https://github.com/pyca/cryptography/issues/2690 fixed
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 4799bfda2..62ec5d263 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ boto==2.39.0
 cachetools==1.1.5
 cffi==1.5.0
 contextlib2==0.5.1
-cryptography==1.2.1
+cryptography==1.1.2
 debtcollector==1.2.0
 decorator==4.0.6
 enum34==1.1.2