diff --git a/tags/drap-v1.91/doc/lib/src/Dockerfile b/tags/drap-v1.91/doc/lib/src/Dockerfile
index 5b3ce0ca02119638c664a2e0c9fb2963653c1ff7..55481cb16030189454a984341214b0fbe03a73cb 100644
--- a/tags/drap-v1.91/doc/lib/src/Dockerfile
+++ b/tags/drap-v1.91/doc/lib/src/Dockerfile
@@ -1,6 +1,6 @@
 FROM ubuntu
 MAINTAINER sigenae "sigenae-support@listes.inra.fr"
-ENV REFRESHED_AT 2016-12-08
+ENV REFRESHED_AT 2017-04-20
 
 ## -- install packages -- ##
 RUN apt-get update && apt-get install -y \
diff --git a/trunk/doc/lib/src/Dockerfile b/trunk/doc/lib/src/Dockerfile
index 5b3ce0ca02119638c664a2e0c9fb2963653c1ff7..55481cb16030189454a984341214b0fbe03a73cb 100644
--- a/trunk/doc/lib/src/Dockerfile
+++ b/trunk/doc/lib/src/Dockerfile
@@ -1,6 +1,6 @@
 FROM ubuntu
 MAINTAINER sigenae "sigenae-support@listes.inra.fr"
-ENV REFRESHED_AT 2016-12-08
+ENV REFRESHED_AT 2017-04-20
 
 ## -- install packages -- ##
 RUN apt-get update && apt-get install -y \