diff --git a/requirements.txt b/requirements.txt
index 12a3745b45dee5235eb03f488cae55f314cd4993..28df66e846fa4d875c6f0b6b2bf79edc8ab224a3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,5 @@ scipy
 pandas
 cobra[all]
 matplotlib
-biopython
\ No newline at end of file
+biopython
+renku=='0.9.1'
\ No newline at end of file