diff --git a/Dockerfile b/Dockerfile
index d38a96d..1a090e2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,6 +22,7 @@ ENV LC_ALL en_US.UTF-8
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
       apt-transport-https \
+      ca-certificates \
       curl \
       gnupg && \
     curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add - && \
@@ -65,6 +66,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     apt-get remove -y \
       apt-transport-https \
       build-essential \
+      ca-certificates \
       curl \
       gnupg && \
     apt-get autoremove -y && \