diff --git a/requirements/development.txt b/requirements/development.txt
index ad042365ab..d314f11a82 100644
--- a/requirements/development.txt
+++ b/requirements/development.txt
@@ -21,3 +21,4 @@ django-compressor==1.1
 djangorestframework==0.2.3
 South==0.7.3
 python-gnupg==0.2.8
+python-hkp==0.1.3
diff --git a/requirements/production.txt b/requirements/production.txt
index 9c1b2eae70..cfac3f7573 100644
--- a/requirements/production.txt
+++ b/requirements/production.txt
@@ -18,3 +18,4 @@ django-compressor==1.1
 djangorestframework==0.2.3
 South==0.7.3
 python-gnupg==0.2.8
+python-hkp==0.1.3