diff --git a/Dockerfile b/Dockerfile
index 00dad9c..b318096 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,7 +15,7 @@ RUN apt-get update \
     && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
-RUN "$VIRTUAL_ENV/bin/pip" install cryptography==46.0.5
+RUN "$VIRTUAL_ENV/bin/pip" install cryptography==46.0.5 certifi
 
 FROM python:3.12-slim AS runtime