diff --git a/rebar.config b/rebar.config
index e0cc173..1bf7353 100644
--- a/rebar.config
+++ b/rebar.config
@@ -82,7 +82,7 @@
             ]}
         ]},
         {deps, [
-            {json_polyfill, "0.1.3"},
+            {json_polyfill, "0.1.4"},
             {doctest, "0.9.3"},
             {jiffy, "1.1.2"},
             {thoas, "1.2.1"}