diff --git a/dev-requirements.txt b/dev-requirements.txt
index e0757fdc..a93efd06 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -12,4 +12,5 @@ matplotlib
 semgrep
 setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability
 numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
-pillow>=10.0.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file
+pillow>=10.0.1 # not directly required, pinned by Snyk to avoid a vulnerability
+fonttools>=4.43.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file
diff --git a/optional-requirements.txt b/optional-requirements.txt
index 5d9ba5e3..c1cc69c1 100644
--- a/optional-requirements.txt
+++ b/optional-requirements.txt
@@ -38,5 +38,5 @@ sparklines
 statsd
 uvicorn; python_version >= "3.8"
 wifi
-zeroconf==0.112.0; python_version < "3.7"
+zeroconf==0.131.0; python_version < "3.7"
 zeroconf; python_version >= "3.7"