diff --git a/symbols-mui/demos/showcase/yarn.lock b/symbols-mui/demos/showcase/yarn.lock
index a2cbb96..2c4262c 100644
--- a/symbols-mui/demos/showcase/yarn.lock
+++ b/symbols-mui/demos/showcase/yarn.lock
@@ -4668,9 +4668,9 @@ electron-to-chromium@^1.3.564, electron-to-chromium@^1.3.649:
   integrity sha512-RTD97QkdrJKaKwRv9h/wGAaoR2lGxNXEcBXS31vjitgTPwTWAbLdS7cEsBK68eEQy7p6YyT8D5BxBEYHu2SuwQ==
 
 elliptic@^6.5.3, elliptic@^6.5.4:
-  version "6.5.7"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.7.tgz#8ec4da2cb2939926a1b9a73619d768207e647c8b"
-  integrity sha512-ESVCtTwiA+XhY3wyh24QqRGBoP3rEdDUl3EDUUo9tft074fi19IrdpH7hLCMMP3CIj7jb3W96rn8lt/BqIlt5Q==
+  version "6.6.0"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.6.0.tgz#5919ec723286c1edf28685aa89261d4761afa210"
+  integrity sha512-dpwoQcLc/2WLQvJvLRHKZ+f9FgOdjnq11rurqwekGQygGPsYSK29OMMD2WalatiqQ+XGFDglTNixpPfI+lpaAA==
   dependencies:
     bn.js "^4.11.9"
     brorand "^1.1.0"