diff --git a/rebar.config b/rebar.config
index a3dffc0..8c04d8c 100644
--- a/rebar.config
+++ b/rebar.config
@@ -87,7 +87,7 @@
         ]},
         {deps, [
             {jsx, "~> 3.1"},
-            {maxmind_test_data, {raw, {git, "https://github.com/maxmind/MaxMind-DB.git", {ref, "450fcf6"}}}}
+            {maxmind_test_data, {raw, {git, "https://github.com/maxmind/MaxMind-DB.git", {ref, "8a15c1e"}}}}
         ]},
         {plugins, [
             % FIXME go back to non-fork once it can compile on OTP 27: