diff --git a/code/README.md b/code/README.md
index 08447f48..a2ec4285 100644
--- a/code/README.md
+++ b/code/README.md
@@ -1,3 +1,7 @@
+Create environment
+
+pyenv virtualenv porr
+
 Activate environment
 
 pyenv activate porr
diff --git a/code/requirements.txt b/code/requirements.txt
index 9a635b91..b0a2d0bf 100644
--- a/code/requirements.txt
+++ b/code/requirements.txt
@@ -1 +1,2 @@
 scipy
+pytest