diff --git a/Dockerfile b/Dockerfile
index 1b6648e..54f96b2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,6 +14,7 @@ ARG DEBCONF_NONINTERACTIVE_SEEN true
 
 RUN apt-get update \
  && apt-get install --no-install-recommends -y \
+    ca-certificates \
     tini \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*