diff --git a/requirements/3.9/app.txt b/requirements/3.9/app.txt
index eded792d3..e24839067 100644
--- a/requirements/3.9/app.txt
+++ b/requirements/3.9/app.txt
@@ -24,7 +24,7 @@ blinker==1.6.2
     #   flask-principal
     #   flask-security-too
     #   sentry-sdk
-certifi==2023.5.7
+certifi==2023.7.22
     # via
     #   requests
     #   sentry-sdk
diff --git a/requirements/3.9/docs.txt b/requirements/3.9/docs.txt
index a144fea98..d1308f518 100644
--- a/requirements/3.9/docs.txt
+++ b/requirements/3.9/docs.txt
@@ -10,7 +10,7 @@ babel==2.12.1
     # via
     #   -c requirements/app.txt
     #   sphinx
-certifi==2023.5.7
+certifi==2023.7.22
     # via
     #   -c requirements/app.txt
     #   requests
diff --git a/requirements/3.9/test.txt b/requirements/3.9/test.txt
index 64f814c36..78b43c9fb 100644
--- a/requirements/3.9/test.txt
+++ b/requirements/3.9/test.txt
@@ -8,7 +8,7 @@ async-timeout==4.0.2
     # via
     #   -c requirements/app.txt
     #   redis
-certifi==2023.5.7
+certifi==2023.7.22
     # via
     #   -c requirements/app.txt
     #   requests