diff --git a/deploy-chatmail/src/deploy_chatmail/__init__.py b/deploy-chatmail/src/deploy_chatmail/__init__.py
index ff7b756f..e842d2fa 100644
--- a/deploy-chatmail/src/deploy_chatmail/__init__.py
+++ b/deploy-chatmail/src/deploy_chatmail/__init__.py
@@ -25,8 +25,8 @@ def _install_chatmaild() -> None:
         )
 
         apt.packages(
-            name="apt install python3-aiosmtpd",
-            packages=["python3-aiosmtpd", "python3-pip"],
+            name="apt install python3-aiosmtpd python3-pip python3-venv",
+            packages=["python3-aiosmtpd", "python3-pip", "python3-venv"],
         )
 
         # --no-deps because aiosmtplib is installed with `apt`.