diff --git a/Dockerfile b/Dockerfile
index f0c5742c0e91ab473ce5587f8965985c2c8d3851..bee18d227dea5ed3adcd318b8969bac03fce6bff 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,6 +22,10 @@ FROM debian
 ENV ASSETS_PATH="/assets"
 ENV DB_PATH="/data/cicer.db"
 
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install -y ca-certificates
+
 COPY --from=go_build /src/cicer /cicer
 COPY --from=js_build /src/build /assets