diff --git a/for_tests/Dockerfile b/for_tests/Dockerfile
index 60e309b6fb488814e4db75cec59ee1021189bcd0..af92d37084bd14786ba22071fbfcd72a19e6dad9 100644
--- a/for_tests/Dockerfile
+++ b/for_tests/Dockerfile
@@ -1,5 +1,4 @@
-from ubuntu:16.04
-
+from ubuntu:latest
 
 # Update apt-get packages
 RUN apt-get update &&\
@@ -9,7 +8,8 @@ RUN apt-get update &&\
 # Install package needed and update pip
 RUN apt-get install -y \
         wget \
-        python3-pip
+        python3-pip \
+        python3
 
 RUN pip3 install --upgrade pip