diff --git a/srv/isc-agent/requirements.txt b/srv/isc-agent/requirements.txt
index 33e8dd9..2d47cdf 100644
--- a/srv/isc-agent/requirements.txt
+++ b/srv/isc-agent/requirements.txt
@@ -22,7 +22,7 @@ idna==3.6 ; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 importlib-metadata==6.7.0 ; python_full_version >= "3.7.1" and python_version < "3.8"
 incremental==22.10.0 ; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 jinja2==3.0.3 ; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
-markupsafe==2.1.4 ; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
+markupsafe==2.1.5 ; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 priority==1.3.0 ; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 pyasn1-modules==0.3.0 ; python_full_version >= "3.7.1" and python_full_version < "4.0.0"
 pyasn1==0.5.1 ; python_full_version >= "3.7.1" and python_full_version < "4.0.0"