diff --git a/Dockerfile b/Dockerfile
index 84e892a..ae5ffcd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,7 +18,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 RUN groupadd --gid $USER_GID $USERNAME \
     && useradd --uid $USER_UID --gid $USER_GID -m $USERNAME \
     && apt-get update \
-    && apt-get install -y --no-install-recommends sudo git wget \
+    && apt-get install -y --no-install-recommends sudo git ca-certificates wget \
     && echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME \
     && chmod 0440 /etc/sudoers.d/$USERNAME \
     && apt-get autoremove -y \