diff --git a/dev-requirements.txt b/dev-requirements.txt
index de91a89d..8524746d 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -7,3 +7,4 @@ coverage==5.2.1
 typed-ast>=1.4.0
 black==20.8b1
 pytest==6.2.5
+jinja2==3.0.3
diff --git a/requirements.txt b/requirements.txt
index 98194623..0960d7cc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,3 +11,4 @@ jsonschema==3.2.0
 jsonschema[format]==3.2.0
 pyyaml==5.4
 rfc3987==1.3.8
+jinja2==3.0.3