diff --git a/packages/oo7-substrate/yarn.lock b/packages/oo7-substrate/yarn.lock
index 8c3f3eb..f342e88 100644
--- a/packages/oo7-substrate/yarn.lock
+++ b/packages/oo7-substrate/yarn.lock
@@ -79,9 +79,9 @@ balanced-match@^1.0.0:
   integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
 
 base-x@^3.0.2, base-x@^3.0.4:
-  version "3.0.6"
-  resolved "https://registry.yarnpkg.com/base-x/-/base-x-3.0.6.tgz#de047ec95f5f7b99ae63d830a2a894c96538b2cd"
-  integrity sha512-4PaF8u2+AlViJxRVjurkLTxpp7CaFRD/jo5rPT9ONnKxyhQ8f59yzamEvq7EkriG56yn5On4ONyaG75HLqr46w==
+  version "3.0.8"
+  resolved "https://registry.yarnpkg.com/base-x/-/base-x-3.0.8.tgz#1e1106c2537f0162e8b52474a557ebb09000018d"
+  integrity sha512-Rl/1AWP4J/zRrk54hhlxH4drNxPJXYUaKffODVI53/dAsV4t9fBxyxYKAVPU1XBHxYwOWP9h9H0hM2MVw4YfJA==
   dependencies:
     safe-buffer "^5.0.1"