diff --git a/docker/RO/Dockerfile b/docker/RO/Dockerfile
index fbb191a..8dbba7e 100644
--- a/docker/RO/Dockerfile
+++ b/docker/RO/Dockerfile
@@ -20,13 +20,13 @@
 
 RUN DEBIAN_FRONTEND=noninteractive apt-get --yes update && \
     DEBIAN_FRONTEND=noninteractive apt-get --yes install \
-    gcc=4:7.4.0-1ubuntu2.3 \
-    python3=3.6.7-1~18.04 \
-    python3-dev=3.6.7-1~18.04 \
-    python3-setuptools=39.0.1-2 \
-    curl=7.58.0-2ubuntu3.14 \
-    genisoimage=9:1.1.11-3ubuntu2 \
-    netbase=5.4 && \
+    gcc=4:7.4.* \
+    python3=3.6.* \
+    python3-dev=3.6.* \
+    python3-setuptools=39.0.* \
+    curl=7.58.* \
+    genisoimage=9:1.1.* \
+    netbase=5.* && \
     python3 -m easy_install pip==21.0.1
 
 ARG PYTHON3_OSM_COMMON_URL
@@ -81,7 +81,7 @@
 FROM ubuntu:18.04
 
 RUN DEBIAN_FRONTEND=noninteractive apt-get --yes update && \
-    DEBIAN_FRONTEND=noninteractive apt-get --yes install python3-minimal=3.6.7-1~18.04
+    DEBIAN_FRONTEND=noninteractive apt-get --yes install python3-minimal=3.6.*
 
 COPY --from=INSTALL /usr/lib/python3/dist-packages /usr/lib/python3/dist-packages
 COPY --from=INSTALL /usr/local/lib/python3.6/dist-packages  /usr/local/lib/python3.6/dist-packages