diff --git a/requirements-dev.txt b/requirements-dev.txt
index e19cef2..a5ffcd8 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,7 +4,7 @@ attrs==18.2.0
 bottle==0.12.13
 bottle-websocket==0.2.9
 git+https://github.com/brumar/Eel.git@transcryptsupport#egg=Eel
-certifi==2018.10.15
+certifi==2022.12.7
 chardet==3.0.4
 future==0.17.1
 gevent-websocket==0.10.1
diff --git a/requirements-tests.txt b/requirements-tests.txt
index 7f1bb3c..34de9dd 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -2,7 +2,7 @@ atomicwrites==1.2.1
 attrs==18.2.0
 bottle==0.12.13
 bottle-websocket==0.2.9
-certifi==2018.10.15
+certifi==2022.12.7
 chardet==3.0.4
 Eel==0.9.10
 future==0.17.1