diff --git a/.vpython3 b/.vpython3
index 484320edd8..feccd47a29 100644
--- a/.vpython3
+++ b/.vpython3
@@ -80,4 +80,11 @@ wheel: <
 wheel: <
   name: "infra/python/wheels/parameterized-py2_py3"
   version: "version:0.8.1"
+>
+
+# Used by:
+#   web-tests PRESUBMIT.py
+wheel: <
+  name: "infra/python/wheels/hjson-py2_py3"
+  version: "version:3.1.0"
 >
\ No newline at end of file