diff --git a/docker/networksimulator/requirements.txt b/docker/networksimulator/requirements.txt
index 59862a5d1..932187990 100644
--- a/docker/networksimulator/requirements.txt
+++ b/docker/networksimulator/requirements.txt
@@ -1,2 +1,3 @@
 jinja2
 web3
+dotenv