diff --git a/requirements/dev.txt b/requirements/dev.txt
index 3ced93d94..b26bead27 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -10,9 +10,9 @@ django-debug-toolbar==1.8 \
 
 datadiff==2.0.0 --hash=sha256:54049440a896de5247ee2e7b7aa5425f939ac832c37edb2101f8d3036e89caa8
 
-WebTest==2.0.27 \
-    --hash=sha256:a4c02755ec5b812e32d9244e55cdab49df893593a52346ccb32c7534bb9e3775 \
-    --hash=sha256:2b6abd2689f28a0b3575bcb5a36757f2344670dd13a8d9272d3a987c2fd1b615
+WebTest==2.0.28 \
+    --hash=sha256:3b091401977fe1869d8cbc790a1e925dda7a8a4c37edd7b28a46eadb45d57fb9 \
+    --hash=sha256:66339d35ba6d2ab5f0fb16b075348643b2717d04a6b1b8db68765011694ad426
 
 mock==2.0.0 --hash=sha256:5ce3c71c5545b472da17b72268978914d0252980348636840bd34a00b5cc96c1