diff --git a/requirements.txt b/requirements.txt
index 1e2a0e2b..959f9adc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-jsonschema==2.6.0
+jsonschema==2.6.0  # pyup: ignore
 aiohttp==3.5.4
 aiohttp-cors==0.7.0
 Jinja2>=2.7.3