diff --git a/single-page-app/ui/package.json b/single-page-app/ui/package.json
index eee8482..dd9e8e5 100644
--- a/single-page-app/ui/package.json
+++ b/single-page-app/ui/package.json
@@ -21,7 +21,7 @@
     "react-router-dom": "^6.26.2"
   },
   "devDependencies": {
-    "@types/react": "^18.3.5",
+    "@types/react": "^18.3.9",
     "@types/react-dom": "^18.3.0",
     "@typescript-eslint/eslint-plugin": "^6.21.0",
     "@typescript-eslint/parser": "^6.21.0",
diff --git a/single-page-app/ui/yarn.lock b/single-page-app/ui/yarn.lock
index d7b325a..4ba8b30 100644
--- a/single-page-app/ui/yarn.lock
+++ b/single-page-app/ui/yarn.lock
@@ -1611,10 +1611,10 @@
   dependencies:
     "@types/react" "*"
 
-"@types/react@*", "@types/react@^18.3.5":
-  version "18.3.5"
-  resolved "https://registry.yarnpkg.com/@types/react/-/react-18.3.5.tgz#5f524c2ad2089c0ff372bbdabc77ca2c4dbadf8f"
-  integrity sha512-WeqMfGJLGuLCqHGYRGHxnKrXcTitc6L/nBUWfWPcTarG3t9PsquqUMuVeXZeca+mglY4Vo5GZjCi0A3Or2lnxA==
+"@types/react@*", "@types/react@^18.3.9":
+  version "18.3.9"
+  resolved "https://registry.yarnpkg.com/@types/react/-/react-18.3.9.tgz#2cdf5f425ec8a133d67e9e3673909738b783db20"
+  integrity sha512-+BpAVyTpJkNWWSSnaLBk6ePpHLOGJKnEQNbINNovPWzvEUyAe3e+/d494QdEh71RekM/qV7lw6jzf1HGrJyAtQ==
   dependencies:
     "@types/prop-types" "*"
     csstype "^3.0.2"