diff --git a/Dockerfile b/Dockerfile
index 910ba61..56e1a1e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,7 @@ RUN apt-get update && apt-get install -y \
     libssl-dev \
     libpq-dev \
     build-essential \
+    ca-certificates \
     && rm -rf /var/lib/apt/lists/*
 
 RUN pkg-config --version && \