diff --git a/requirements.txt b/requirements.txt
index 9f6135c..9a5400f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ gcloud==0.18.3
 oauth2client==4.1.3
 requests-toolbelt==0.9.1
 python-jwt==3.3.4
-pycryptodome==3.10.1
+pycryptodome==3.19.1
 urllib3>=1.26.5 # not directly required, pinned by Snyk to avoid a vulnerability
 certifi>=2023.7.22 # not directly required, pinned by Snyk to avoid a vulnerability
 cryptography>=41.0.4 # not directly required, pinned by Snyk to avoid a vulnerability