diff --git a/Dockerfile b/Dockerfile
index b906b2b..9d62d24 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,6 @@ ENV DEBIAN_FRONTEND noninteractive
 # 
 # libraptor2-dev : Depends: libcurl4-gnutls-dev but it is not installable
 RUN apt-get update --yes && \
-    apt-get dist-upgrade --yes && \
     apt-get install --yes --no-install-recommends \
     libgdal-dev \
     pandoc \