diff --git a/package-lock.json b/package-lock.json
index 4807d2e30..c8ae36c18 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -65,7 +65,7 @@
         "mocha-test-container-support": "^0.2.0",
         "mri": "^1.2.0",
         "npm-run-all2": "^6.2.3",
-        "preact": ">=10.5.14 <=10.15.1",
+        "preact": "<=10.24.3",
         "prettier": "^3.3.3",
         "puppeteer": "^23.0.0",
         "raw-loader": "^4.0.2",
@@ -2064,16 +2064,6 @@
         "preact": "^10.11.2"
       }
     },
-    "node_modules/@bpmn-io/diagram-js-ui/node_modules/preact": {
-      "version": "10.20.1",
-      "resolved": "https://registry.npmjs.org/preact/-/preact-10.20.1.tgz",
-      "integrity": "sha512-JIFjgFg9B2qnOoGiYMVBtrcFxHqn+dNXbq76bVmcaHYJFYR4lW67AOcXgAYQQTDYXDOg/kTZrKPNCdRgJ2UJmw==",
-      "dev": true,
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/preact"
-      }
-    },
     "node_modules/@bpmn-io/draggle": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/@bpmn-io/draggle/-/draggle-4.1.1.tgz",
@@ -17219,10 +17209,9 @@
       "license": "MIT"
     },
     "node_modules/preact": {
-      "version": "10.15.1",
-      "resolved": "https://registry.npmjs.org/preact/-/preact-10.15.1.tgz",
-      "integrity": "sha512-qs2ansoQEwzNiV5eAcRT1p1EC/dmEzaATVDJNiB3g2sRDWdA7b7MurXdJjB2+/WQktGWZwxvDrnuRFbWuIr64g==",
-      "license": "MIT",
+      "version": "10.24.3",
+      "resolved": "https://registry.npmjs.org/preact/-/preact-10.24.3.tgz",
+      "integrity": "sha512-Z2dPnBnMUfyQfSQ+GBdsGa16hz35YmLmtTLhM169uW944hYL6xzTYkJjC07j+Wosz733pMWx0fgON3JNw1jJQA==",
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/preact"
@@ -22447,14 +22436,6 @@
       "requires": {
         "htm": "^3.1.1",
         "preact": "^10.11.2"
-      },
-      "dependencies": {
-        "preact": {
-          "version": "10.20.1",
-          "resolved": "https://registry.npmjs.org/preact/-/preact-10.20.1.tgz",
-          "integrity": "sha512-JIFjgFg9B2qnOoGiYMVBtrcFxHqn+dNXbq76bVmcaHYJFYR4lW67AOcXgAYQQTDYXDOg/kTZrKPNCdRgJ2UJmw==",
-          "dev": true
-        }
       }
     },
     "@bpmn-io/draggle": {
@@ -32833,9 +32814,9 @@
       "dev": true
     },
     "preact": {
-      "version": "10.15.1",
-      "resolved": "https://registry.npmjs.org/preact/-/preact-10.15.1.tgz",
-      "integrity": "sha512-qs2ansoQEwzNiV5eAcRT1p1EC/dmEzaATVDJNiB3g2sRDWdA7b7MurXdJjB2+/WQktGWZwxvDrnuRFbWuIr64g=="
+      "version": "10.24.3",
+      "resolved": "https://registry.npmjs.org/preact/-/preact-10.24.3.tgz",
+      "integrity": "sha512-Z2dPnBnMUfyQfSQ+GBdsGa16hz35YmLmtTLhM169uW944hYL6xzTYkJjC07j+Wosz733pMWx0fgON3JNw1jJQA=="
     },
     "prelude-ls": {
       "version": "1.2.1",
diff --git a/package.json b/package.json
index 26c021d1b..534c8d56f 100644
--- a/package.json
+++ b/package.json
@@ -114,7 +114,7 @@
     "mocha-test-container-support": "^0.2.0",
     "mri": "^1.2.0",
     "npm-run-all2": "^6.2.3",
-    "preact": ">=10.5.14 <=10.15.1",
+    "preact": "<=10.24.3",
     "prettier": "^3.3.3",
     "puppeteer": "^23.0.0",
     "raw-loader": "^4.0.2",