diff --git a/requirements.txt b/requirements.txt
index fe8a629b9a049938e04c73d9c49034b19bffc522..356634c1c863b2c80a7d6f84efbf66d16a6056c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,3 +14,4 @@ nestle
 deepdish
 ptemcee
 mock
+lalsuite