diff --git a/ros_google_cloud_language/requirements.txt b/ros_google_cloud_language/requirements.txt
index 13c93d07b..e14cd51d3 100644
--- a/ros_google_cloud_language/requirements.txt
+++ b/ros_google_cloud_language/requirements.txt
@@ -1,5 +1,5 @@
 cachetools==3.1.1         # via google-auth
-certifi==2021.10.8        # via requests
+certifi==2023.7.22        # via requests
 chardet==4.0.0            # via requests
 enum34==1.1.10            # via google-cloud-language, grpcio
 # commented out for python3, which uses concurrent.futures