diff --git a/requirements.txt b/requirements.txt
index e40553f..33cb656 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ incremental==16.10.1
 Jinja2==2.10.1
 jsonpatch==1.22
 jsonpointer==2.0
-jsonschema==3.2.0
+jsonschema==4.21.1
 keyring==18.0.1
 language-selector==0.1
 launchpadlib==1.10.13