2 files changed, 2 insertions, 2 deletions

diff --git a/Dockerfile b/Dockerfile
index 1b5b9c3..75a0db0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:latest
+FROM debian:stretch
 MAINTAINER Oleg Morozenkov <a@reo7sp.ru>
 
 RUN apt-get -qq update && \
diff --git a/Dockerfile_test b/Dockerfile_test
index e4a0d03..f203561 100644
--- a/Dockerfile_test
+++ b/Dockerfile_test
@@ -1,4 +1,4 @@
-FROM debian:latest
+FROM debian:stretch
 MAINTAINER Oleg Morozenkov <a@reo7sp.ru>
 
 RUN apt-get -qq update && \