diff --git a/pkgs/development/python-modules/runway-python/default.nix b/pkgs/development/python-modules/runway-python/default.nix
index 23455ae8940..9c7f89585d8 100644
--- a/pkgs/development/python-modules/runway-python/default.nix
+++ b/pkgs/development/python-modules/runway-python/default.nix
@@ -5,6 +5,7 @@
 , flask-compress
 , flask-cors
 , flask-sockets
+, imageio
 , numpy
 , scipy
 , pillow
@@ -25,7 +26,22 @@ buildPythonPackage rec {
     sha256 = "695d78f8edeb6a7ca98d8351adb36948d56cceeffe8a84896c9fbfd349fc4cb8";
   };
 
-  propagatedBuildInputs = [ flask flask-compress flask-cors flask-sockets numpy scipy pillow gevent wget six colorcet unidecode urllib3 ];
+  propagatedBuildInputs = [
+    colorcet
+    flask
+    flask-compress
+    flask-cors
+    flask-sockets
+    gevent
+    imageio
+    numpy
+    pillow
+    scipy
+    six
+    unidecode
+    urllib3
+    wget
+  ];
 
   # tests are not packaged in the released tarball
   doCheck = false;