diff --git a/Dockerfile b/Dockerfile
index 53dc527..ebbadd6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,7 +30,10 @@ RUN go get github.com/julien-noblet/download-geofabrik \
  && mkdir -p $GOPATH/src/github.com/omniscale/imposm3 \
  && cd  $GOPATH/src/github.com/omniscale/imposm3 \
  && go get github.com/tools/godep \
- && git clone --quiet --depth 1 https://github.com/omniscale/imposm3 \
+ # && git clone --quiet --depth 1 https://github.com/omniscale/imposm3 \
+ #
+ # testing new filter syntax : https://github.com/omniscale/imposm3/pull/135
+ && git clone --quiet --depth 1 https://github.com/ImreSamu/imposm3.git -b filter_reject_require_v1 \
         $GOPATH/src/github.com/omniscale/imposm3 \
  && make build \
  && mv imposm3 /usr/bin/imposm3 \