diff --git a/debian/control b/debian/control
index 857db4f..2c1a4b5 100644
--- a/debian/control
+++ b/debian/control
@@ -22,6 +22,7 @@ Build-Depends:
  python-pretend,
  python-pytest,
  python-pytest-cov,
+ python-pytest-tornado,
  python-requests,
  python-requests-mock,
  python-requests-toolbelt,
@@ -42,6 +43,7 @@ Build-Depends:
  python3-pretend,
  python3-pytest,
  python3-pytest-cov,
+ python3-pytest-tornado,
  python3-requests,
  python3-requests-mock,
  python3-requests-toolbelt,