diff --git a/src/requirements.txt b/src/requirements.txt
index a3fe3f4bab..559004332d 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -8,7 +8,7 @@ attrs==24.2.0
     # via
     #   jsonschema
     #   referencing
-fastjsonschema==2.20.0
+fastjsonschema==2.21.1
     # via -r requirements.in
 genson==1.3.0
     # via -r requirements.in