diff --git a/Applications/Spark.Web.R4/app/package-lock.json b/Applications/Spark.Web.R4/app/package-lock.json
index d4ccc1c67..408cedbcc 100644
--- a/Applications/Spark.Web.R4/app/package-lock.json
+++ b/Applications/Spark.Web.R4/app/package-lock.json
@@ -24,7 +24,7 @@
         "eslint-plugin-react-hooks": "^7.1.1",
         "eslint-plugin-react-refresh": "^0.4.16",
         "globals": "^15.14.0",
-        "tailwindcss": "^4.2.4",
+        "tailwindcss": "^4.3.0",
         "typescript": "^6.0.3",
         "typescript-eslint": "^8.59.3",
         "vite": "^8.0.0"
@@ -2744,6 +2744,13 @@
         "tailwindcss": "4.2.4"
       }
     },
+    "node_modules/@tailwindcss/node/node_modules/tailwindcss": {
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.2.4.tgz",
+      "integrity": "sha512-HhKppgO81FQof5m6TEnuBWCZGgfRAWbaeOaGT00KOy/Pf/j6oUihdvBpA7ltCeAvZpFhW3j0PTclkxsd4IXYDA==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@tailwindcss/oxide": {
       "version": "4.2.4",
       "resolved": "https://registry.npmjs.org/@tailwindcss/oxide/-/oxide-4.2.4.tgz",
@@ -3064,6 +3071,13 @@
         "vite": "^5.2.0 || ^6 || ^7 || ^8"
       }
     },
+    "node_modules/@tailwindcss/vite/node_modules/tailwindcss": {
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.2.4.tgz",
+      "integrity": "sha512-HhKppgO81FQof5m6TEnuBWCZGgfRAWbaeOaGT00KOy/Pf/j6oUihdvBpA7ltCeAvZpFhW3j0PTclkxsd4IXYDA==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@tybys/wasm-util": {
       "version": "0.10.1",
       "resolved": "https://registry.npmjs.org/@tybys/wasm-util/-/wasm-util-0.10.1.tgz",
@@ -4974,9 +4988,9 @@
       }
     },
     "node_modules/tailwindcss": {
-      "version": "4.2.4",
-      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.2.4.tgz",
-      "integrity": "sha512-HhKppgO81FQof5m6TEnuBWCZGgfRAWbaeOaGT00KOy/Pf/j6oUihdvBpA7ltCeAvZpFhW3j0PTclkxsd4IXYDA==",
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.3.0.tgz",
+      "integrity": "sha512-y6nxMGB1nMW9R6k96e5gdIFzcfL/gTJRNaqGes1YvkLnPVXzWgbqFF2yLC0T8G774n24cx3Pe8XrKoniCOAH+Q==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/Applications/Spark.Web.R4/app/package.json b/Applications/Spark.Web.R4/app/package.json
index 72deb9b69..c338b4564 100644
--- a/Applications/Spark.Web.R4/app/package.json
+++ b/Applications/Spark.Web.R4/app/package.json
@@ -26,7 +26,7 @@
     "eslint-plugin-react-hooks": "^7.1.1",
     "eslint-plugin-react-refresh": "^0.4.16",
     "globals": "^15.14.0",
-    "tailwindcss": "^4.2.4",
+    "tailwindcss": "^4.3.0",
     "typescript": "^6.0.3",
     "typescript-eslint": "^8.59.3",
     "vite": "^8.0.0"