diff --git a/test-requirements.txt b/test-requirements.txt
index 642ba6df27..f2ff59c4cd 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,11 +1,7 @@
-flake8
-openapi-spec-validator
-
 coverage>=3.6
 fixtures>=0.3.14
 stestr>=1.0.0 # Apache-2.0
 testtools>=0.9.32
 PyMySQL
 psycopg2-binary
-mypy<0.650
 beautifulsoup4
diff --git a/tox.ini b/tox.ini
index ba752e8120..d7f03575ff 100644
--- a/tox.ini
+++ b/tox.ini
@@ -52,6 +52,10 @@ install_command = pip install {opts} {packages}
 # --ignore-missing-imports tells mypy to not try to follow imported modules
 # out of the current tree. As you might expect, we don't want to run static
 # type checking on the world - just on ourselves.
+deps =
+  flake8
+  mypy<0.650
+  openapi-spec-validator
 commands =
   flake8 {posargs}
   mypy --ignore-missing-imports zuul