diff --git a/hera_corr_f/control_software/casperfpga/requirements.txt b/hera_corr_f/control_software/casperfpga/requirements.txt
index d4c873b..ec5c248 100644
--- a/hera_corr_f/control_software/casperfpga/requirements.txt
+++ b/hera_corr_f/control_software/casperfpga/requirements.txt
@@ -3,7 +3,7 @@ argh==0.26.2
 Babel==2.5.1
 backports-abc==0.5
 backports.shutil-get-terminal-size==1.0.0
-certifi==2017.7.27.1
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 decorator==4.1.2