diff --git a/requirements.txt b/requirements.txt
index 7116e212..de280d34 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-jsonschema>=4.19.0,<4.20; python_version >= '3.7'
+jsonschema>=4.17.3,<4.18; python_version >= '3.7' # v4.17.3 is the last version to support Python 3.7
 jsonschema==3.2.0; python_version < '3.7'  # v3.2.0 is the last version to support Python 3.6
 aiohttp>=3.8.5,<3.9
 aiohttp-cors>=0.7.0,<0.8