diff --git a/Dockerfile b/Dockerfile
index 9cb09b7..00b4432 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,8 @@ WORKDIR /
 
 RUN addgroup -S pgbouncer  \
 	&& adduser -S pgbouncer  \
-	&& mkdir -p /etc/pgbouncer /var/log/pgbouncer /var/run/pgbouncer
+	&& mkdir -p /etc/pgbouncer /var/log/pgbouncer /var/run/pgbouncer \
+	&& update-ca-certificates
 
 COPY pgbouncer.ini.tmpl /etc/pgbouncer/
 COPY auth_file.txt.tmpl /etc/pgbouncer/
@@ -14,6 +15,6 @@ COPY entrypoint.sh /
 
 RUN chown -R pgbouncer:pgbouncer /var/log/pgbouncer /var/run/pgbouncer /etc/pgbouncer /etc/ssl/certs \
     && chmod +x /entrypoint.sh
-    
+
 USER pgbouncer:pgbouncer
 ENTRYPOINT ["/bin/sh", "/entrypoint.sh"]