diff --git a/ippisite/requirements.txt b/ippisite/requirements.txt
index 17fecba7a9fb4ad6627638de0f6cb0685798a331..7785c289106a963b62f3748ed18292117c89d7f3 100644
--- a/ippisite/requirements.txt
+++ b/ippisite/requirements.txt
@@ -45,4 +45,5 @@ gunicorn
 coverage
 # tests
 parameterized
+tblib
 # End of file
\ No newline at end of file