diff --git a/package.json b/package.json
index 6938221..986204b 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "mini-css-extract-plugin": "0.9.0",
     "optimize-css-assets-webpack-plugin": "5.0.8",
     "pnp-webpack-plugin": "1.6.4",
-    "postcss-flexbugs-fixes": "4.1.0",
+    "postcss-flexbugs-fixes": "4.2.1",
     "postcss-loader": "3.0.0",
     "postcss-normalize": "8.0.1",
     "postcss-preset-env": "6.7.2",
diff --git a/yarn.lock b/yarn.lock
index a9f01a8..885ac6b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8553,12 +8553,12 @@ postcss-env-function@^2.0.2:
     postcss "^7.0.2"
     postcss-values-parser "^2.0.0"
 
-postcss-flexbugs-fixes@4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/postcss-flexbugs-fixes/-/postcss-flexbugs-fixes-4.1.0.tgz#e094a9df1783e2200b7b19f875dcad3b3aff8b20"
-  integrity sha512-jr1LHxQvStNNAHlgco6PzY308zvLklh7SJVYuWUwyUQncofaAlD2l+P/gxKHOdqWKe7xJSkVLFF/2Tp+JqMSZA==
+postcss-flexbugs-fixes@4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/postcss-flexbugs-fixes/-/postcss-flexbugs-fixes-4.2.1.tgz#9218a65249f30897deab1033aced8578562a6690"
+  integrity sha512-9SiofaZ9CWpQWxOwRh1b/r85KD5y7GgvsNt1056k6OYLvWUun0czCvogfJgylC22uJTwW1KzY3Gz65NZRlvoiQ==
   dependencies:
-    postcss "^7.0.0"
+    postcss "^7.0.26"
 
 postcss-focus-visible@^4.0.0:
   version "4.0.0"