diff --git a/package-lock.json b/package-lock.json
index a88d34a69..a354d947f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,7 @@
         "postcss": "^8.4.34",
         "postcss-cli": "^11.0.0",
         "postcss-custom-media": "^10.0.2",
-        "postcss-import": "^15.1.0",
+        "postcss-import": "^16.0.0",
         "postcss-nesting": "^12.0.2",
         "postcss-preset-env": "^9.3.0",
         "postcss-url": "^10.1.3",
@@ -2709,9 +2709,9 @@
       "dev": true
     },
     "node_modules/flexsearch": {
-      "version": "0.7.31",
-      "resolved": "https://registry.npmjs.org/flexsearch/-/flexsearch-0.7.31.tgz",
-      "integrity": "sha512-XGozTsMPYkm+6b5QL3Z9wQcJjNYxp0CYn3U1gO7dwD6PAqU1SVWZxI9CCg3z+ml3YfqdPnrBehaBrnH2AGKbNA=="
+      "version": "0.7.43",
+      "resolved": "https://registry.npmjs.org/flexsearch/-/flexsearch-0.7.43.tgz",
+      "integrity": "sha512-c5o/+Um8aqCSOXGcZoqZOm+NqtVwNsvVpWv6lfmSclU954O3wvQKxxK8zj74fPaSJbXpSLTs4PRhh+wnoCXnKg=="
     },
     "node_modules/foreground-child": {
       "version": "3.1.1",
@@ -4774,9 +4774,9 @@
       }
     },
     "node_modules/postcss-import": {
-      "version": "15.1.0",
-      "resolved": "https://registry.npmjs.org/postcss-import/-/postcss-import-15.1.0.tgz",
-      "integrity": "sha512-hpr+J05B2FVYUAXHeK1YyI267J/dDDhMU6B6civm8hSY1jYJnBXxzKDKDswzJmtLHryrjhnDjqqp/49t8FALew==",
+      "version": "16.0.0",
+      "resolved": "https://registry.npmjs.org/postcss-import/-/postcss-import-16.0.0.tgz",
+      "integrity": "sha512-e77lhVvrD1I2y7dYmBv0k9ULTdArgEYZt97T4w6sFIU5uxIHvDFQlKgUUyY7v7Barj0Yf/zm5A4OquZN7jKm5Q==",
       "dev": true,
       "dependencies": {
         "postcss-value-parser": "^4.0.0",
@@ -4784,7 +4784,7 @@
         "resolve": "^1.1.7"
       },
       "engines": {
-        "node": ">=14.0.0"
+        "node": ">=18.0.0"
       },
       "peerDependencies": {
         "postcss": "^8.0.0"
@@ -8537,9 +8537,9 @@
       "dev": true
     },
     "flexsearch": {
-      "version": "0.7.31",
-      "resolved": "https://registry.npmjs.org/flexsearch/-/flexsearch-0.7.31.tgz",
-      "integrity": "sha512-XGozTsMPYkm+6b5QL3Z9wQcJjNYxp0CYn3U1gO7dwD6PAqU1SVWZxI9CCg3z+ml3YfqdPnrBehaBrnH2AGKbNA=="
+      "version": "0.7.43",
+      "resolved": "https://registry.npmjs.org/flexsearch/-/flexsearch-0.7.43.tgz",
+      "integrity": "sha512-c5o/+Um8aqCSOXGcZoqZOm+NqtVwNsvVpWv6lfmSclU954O3wvQKxxK8zj74fPaSJbXpSLTs4PRhh+wnoCXnKg=="
     },
     "foreground-child": {
       "version": "3.1.1",
@@ -9866,9 +9866,9 @@
       }
     },
     "postcss-import": {
-      "version": "15.1.0",
-      "resolved": "https://registry.npmjs.org/postcss-import/-/postcss-import-15.1.0.tgz",
-      "integrity": "sha512-hpr+J05B2FVYUAXHeK1YyI267J/dDDhMU6B6civm8hSY1jYJnBXxzKDKDswzJmtLHryrjhnDjqqp/49t8FALew==",
+      "version": "16.0.0",
+      "resolved": "https://registry.npmjs.org/postcss-import/-/postcss-import-16.0.0.tgz",
+      "integrity": "sha512-e77lhVvrD1I2y7dYmBv0k9ULTdArgEYZt97T4w6sFIU5uxIHvDFQlKgUUyY7v7Barj0Yf/zm5A4OquZN7jKm5Q==",
       "dev": true,
       "requires": {
         "postcss-value-parser": "^4.0.0",
diff --git a/package.hugo.json b/package.hugo.json
index 7ad0b71ec..69cdb975c 100644
--- a/package.hugo.json
+++ b/package.hugo.json
@@ -51,7 +51,7 @@
     "postcss": "^8.4.34",
     "postcss-cli": "^11.0.0",
     "postcss-custom-media": "^10.0.2",
-    "postcss-import": "^15.1.0",
+    "postcss-import": "^16.0.0",
     "postcss-nesting": "^12.0.2",
     "postcss-preset-env": "^9.3.0",
     "postcss-url": "^10.1.3",
diff --git a/package.json b/package.json
index 07f6fb53e..ce41b4780 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "postcss": "^8.4.34",
     "postcss-cli": "^11.0.0",
     "postcss-custom-media": "^10.0.2",
-    "postcss-import": "^15.1.0",
+    "postcss-import": "^16.0.0",
     "postcss-nesting": "^12.0.2",
     "postcss-preset-env": "^9.3.0",
     "postcss-url": "^10.1.3",