diff --git a/Makefile b/Makefile
index 5954b4705..3612540bc 100644
--- a/Makefile
+++ b/Makefile
@@ -98,7 +98,8 @@ freeze-requirements:
 	rm -rf venv-freeze
 	virtualenv -p python3 venv-freeze
 	$$(pwd)/venv-freeze/bin/pip install -r requirements-app.txt
-	echo '# This file is autogenerated. Do not edit it manually.' > requirements.txt
+	echo '# pyup: ignore file' > requirements.txt
+	echo '# This file is autogenerated. Do not edit it manually.' >> requirements.txt
 	cat requirements-app.txt >> requirements.txt
 	echo '' >> requirements.txt
 	$$(pwd)/venv-freeze/bin/pip freeze -r <(sed '/^--/d' requirements-app.txt) | sed -n '/The following requirements were added by pip freeze/,$$p' >> requirements.txt
diff --git a/requirements.txt b/requirements.txt
index ce2c67227..2dcc668b7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+# pyup: ignore file
 # This file is autogenerated. Do not edit it manually.
 # Run `make freeze-requirements` to update requirements.txt
 # with package version changes made in requirements-app.txt