diff --git a/flow-server/src/main/java/com/vaadin/flow/server/frontend/FrontendTools.java b/flow-server/src/main/java/com/vaadin/flow/server/frontend/FrontendTools.java
index 7ba59694a98..13197e4e0e9 100644
--- a/flow-server/src/main/java/com/vaadin/flow/server/frontend/FrontendTools.java
+++ b/flow-server/src/main/java/com/vaadin/flow/server/frontend/FrontendTools.java
@@ -981,6 +981,7 @@ private List<String> getNpmExecutable(boolean removePnpmLock) {
         returnCommand.add("--no-update-notifier");
         returnCommand.add("--no-audit");
         returnCommand.add("--scripts-prepend-node-path=true");
+        returnCommand.add("--legacy-peer-deps");
 
         if (removePnpmLock) {
             // remove pnpm-lock.yaml which contains pnpm as a dependency.
diff --git a/flow-server/src/main/resources/com/vaadin/flow/server/frontend/dependencies/react-router/package.json b/flow-server/src/main/resources/com/vaadin/flow/server/frontend/dependencies/react-router/package.json
index f8e12df26d9..679f854558a 100644
--- a/flow-server/src/main/resources/com/vaadin/flow/server/frontend/dependencies/react-router/package.json
+++ b/flow-server/src/main/resources/com/vaadin/flow/server/frontend/dependencies/react-router/package.json
@@ -9,8 +9,8 @@
   "author": "",
   "license": "Apache-2.0",
   "dependencies": {
-    "react": "18.3.1",
-    "react-dom": "18.3.1",
+    "react": "19.0.0-rc-3563387fe3-20240621",
+    "react-dom": "19.0.0-rc-3563387fe3-20240621",
     "react-router-dom": "6.23.1"
   },
   "devDependencies": {
diff --git a/flow-server/src/test/java/com/vaadin/flow/server/frontend/FrontendToolsTest.java b/flow-server/src/test/java/com/vaadin/flow/server/frontend/FrontendToolsTest.java
index 98357e3f513..3c88d15a9b6 100644
--- a/flow-server/src/test/java/com/vaadin/flow/server/frontend/FrontendToolsTest.java
+++ b/flow-server/src/test/java/com/vaadin/flow/server/frontend/FrontendToolsTest.java
@@ -417,7 +417,7 @@ public void homeNodeIsNotForced_useGlobalNode()
                 not(containsString(vaadinHomeDir)));
         assertThat(tools.getNodeExecutable(), not(containsString(baseDir)));
 
-        assertEquals(4, tools.getNpmExecutable().size());
+        assertEquals(5, tools.getNpmExecutable().size());
         assertThat(tools.getNpmExecutable().get(0), containsString("npm"));
         assertThat(tools.getNpmExecutable().get(1),
                 containsString("--no-update-notifier"));