diff --git a/actions/update_development_dependencies/requirements.txt b/actions/update_development_dependencies/requirements.txt
index 2deb951..cc79122 100644
--- a/actions/update_development_dependencies/requirements.txt
+++ b/actions/update_development_dependencies/requirements.txt
@@ -15,7 +15,7 @@ cryptography==43.0.3 ; sys_platform == "linux"
 distlib==0.3.9
 distro==1.9.0
 dulwich==0.21.7
-fastjsonschema==2.20.0
+fastjsonschema==2.21.0
 filelock==3.16.1
 identify==2.6.3
 idna==3.10