diff --git a/MANIFEST.in b/MANIFEST.in
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,4 @@
 include Makefile
 include requirements.txt
+include requirements-swh.txt
 include version.txt
diff --git a/requirements-swh.txt b/requirements-swh.txt
new file mode 100644
--- /dev/null
+++ b/requirements-swh.txt
@@ -0,0 +1,3 @@
+swh.core
+swh.storage >= 0.0.76
+swh.model >= 0.0.11
diff --git a/requirements.txt b/requirements.txt
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,4 @@
 # should match https://pypi.python.org/pypi names. For the full spec or
 # dependency lines, see https://pip.readthedocs.org/en/1.1/requirements.html
 vcversioner
-swh-core
-swh-storage >= 0.0.76
-swh-model >= 0.0.11
 retrying