diff --git a/setup-env b/setup-env
index a767b3d..713687a 100755
--- a/setup-env
+++ b/setup-env
@@ -134,9 +134,8 @@ python3 -m pip install --upgrade pip setuptools wheel
 
 # Find a requirements file (if possible) and install
 for req_file in "requirements-dev.txt" "requirements-test.txt" "requirements.txt"; do
-  if [[ -f $req_file ]]
-  then
-    pip install -r $req_file
+  if [[ -f $req_file ]]; then
+    pip install --requirement $req_file
     break
   fi
 done