diff --git a/requirements-dev.txt b/requirements-dev.txt
index 34ec222..bb6bd40 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -24,7 +24,7 @@ bottle==0.12.23
     # via beancount
 cachetools==5.2.0
     # via google-auth
-certifi==2023.7.22
+certifi==2024.7.4
     # via
     #   httpcore
     #   httpx
diff --git a/requirements.txt b/requirements.txt
index f1b5fc7..c6fea84 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ bottle==0.12.23
     # via beancount
 cachetools==5.2.0
     # via google-auth
-certifi==2023.7.22
+certifi==2024.7.4
     # via requests
 chardet==5.0.0
     # via beancount