diff --git a/.jenkins.d/00-prepare.sh b/.jenkins.d/00-prepare.sh
new file mode 100755
index 0000000..67e579f
--- /dev/null
+++ b/.jenkins.d/00-prepare.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+set -e
+set -x
+
+git rm -qrf .
+git clone --depth=1 https://github.com/named-data-ndnSIM/ns-3-dev ns-3
+git clone --depth=1 https://github.com/named-data-ndnSIM/pybindgen.git pybindgen
+mkdir -p ns-3/src/ndnSIM
+mv .git ns-3/src/ndnSIM/
+(cd ns-3/src/ndnSIM/ && git reset -q && git checkout . && git submodule update --init)
+
+mv ns-3/src/ndnSIM/.jenkins.d . # move CI scripts back, so the rest of them can be executed