diff --git a/.changeset/brown-stingrays-grow.md b/.changeset/brown-stingrays-grow.md
new file mode 100644
index 00000000..c1e6e578
--- /dev/null
+++ b/.changeset/brown-stingrays-grow.md
@@ -0,0 +1,5 @@
+---
+'@redux-devtools/cli': major
+---
+
+Require Node.js 20
diff --git a/packages/redux-devtools-cli/package.json b/packages/redux-devtools-cli/package.json
index 0c559ea7..2a33b34f 100644
--- a/packages/redux-devtools-cli/package.json
+++ b/packages/redux-devtools-cli/package.json
@@ -38,7 +38,7 @@
     "prepublish": "pnpm run type-check && pnpm run lint && pnpm run test"
   },
   "engines": {
-    "node": ">= 18.12.0"
+    "node": ">=20"
   },
   "dependencies": {
     "@apollo/server": "^4.12.2",
@@ -60,7 +60,7 @@
     "lodash-es": "^4.17.21",
     "minimist": "^1.2.8",
     "morgan": "^1.10.1",
-    "open": "^10.2.0",
+    "open": "^11.0.0",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "react-is": "^19.2.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 3e490679..15ca52e1 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1032,8 +1032,8 @@ importers:
         specifier: ^1.10.1
         version: 1.10.1
       open:
-        specifier: ^10.2.0
-        version: 10.2.0
+        specifier: ^11.0.0
+        version: 11.0.0
       react:
         specifier: ^19.2.0
         version: 19.2.0
@@ -6653,8 +6653,8 @@ packages:
     resolution: {integrity: sha512-A6p/pu/6fyBcA1TRz/GqWYPViplrftcW2gZC9q79ngNCKAeR/X3gcEdXQHl4KNXV+3wgIJ1CPkJQ3IHM6lcsyA==}
     engines: {node: '>=18'}
 
-  default-browser@5.3.0:
-    resolution: {integrity: sha512-Qq68+VkJlc8tjnPV1i7HtbIn7ohmjZa88qUvHMIK0ZKUXMCuV45cT7cEXALPUmeXCe0q1DWQkQTemHVaLIFSrg==}
+  default-browser@5.4.0:
+    resolution: {integrity: sha512-XDuvSq38Hr1MdN47EDvYtx3U0MTqpCEn+F6ft8z2vYDzMrvQhVp0ui9oQdqW3MvK3vqUETglt1tVGgjLuJ5izg==}
     engines: {node: '>=18'}
 
   defer-to-connect@2.0.1:
@@ -7746,6 +7746,10 @@ packages:
     resolution: {integrity: sha512-xelSayHH36ZgE7ZWhli7pW34hNbNl8Ojv5KVmkJD4hBdD3th8Tfk9vYasLM+mXWOZhFkgZfxhLSnrwRr4elSSg==}
     engines: {node: '>=0.10.0'}
 
+  is-in-ssh@1.0.0:
+    resolution: {integrity: sha512-jYa6Q9rH90kR1vKB6NM7qqd1mge3Fx4Dhw5TVlK1MUBqhEOuCagrEHMevNuCcbECmXZ0ThXkRm+Ymr51HwEPAw==}
+    engines: {node: '>=20'}
+
   is-inside-container@1.0.0:
     resolution: {integrity: sha512-KIYLCCJghfHZxqjYBE7rEy0OBuTd5xCHS7tHVgvCLkx7StIoaxwNW3hCALgEUjFfeRk+MG/Qxmp/vtETEF3tRA==}
     engines: {node: '>=14.16'}
@@ -8706,6 +8710,10 @@ packages:
     resolution: {integrity: sha512-YgBpdJHPyQ2UE5x+hlSXcnejzAvD0b22U2OuAP+8OnlJT+PjWPxtgmGqKKc+RgTM63U9gN0YzrYc71R2WT/hTA==}
     engines: {node: '>=18'}
 
+  open@11.0.0:
+    resolution: {integrity: sha512-smsWv2LzFjP03xmvFoJ331ss6h+jixfA4UUV/Bsiyuu4YJPfN+FIQGOIiv4w9/+MoHkfkJ22UIaQWRVFRfH6Vw==}
+    engines: {node: '>=20'}
+
   optionator@0.9.4:
     resolution: {integrity: sha512-6IpQ7mKUxRcZNLIObR0hz7lxsapSSIYNZJwXPGeF0mTVqGKFIXj1DQcMoT22S3ROcLyY/rz0PWaWZ9ayWmad9g==}
     engines: {node: '>= 0.8.0'}
@@ -8934,6 +8942,10 @@ packages:
     resolution: {integrity: sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==}
     engines: {node: ^10 || ^12 || >=14}
 
+  powershell-utils@0.1.0:
+    resolution: {integrity: sha512-dM0jVuXJPsDN6DvRpea484tCUaMiXWjuCn++HGTqUWzGDjv5tZkEZldAJ/UMlqRYGFrD/etByo4/xOuC/snX2A==}
+    engines: {node: '>=20'}
+
   prebuild-install@7.1.3:
     resolution: {integrity: sha512-8Mf2cbV7x1cXPUILADGI3wuhfqWvtiLA1iclTDbFRZkgRQS0NqsPZphna9V+HyTEadheuPmjaJMsbzKQFOzLug==}
     engines: {node: '>=10'}
@@ -10433,6 +10445,10 @@ packages:
     resolution: {integrity: sha512-h3Fbisa2nKGPxCpm89Hk33lBLsnaGBvctQopaBSOW/uIs6FTe1ATyAnKFJrzVs9vpGdsTe73WF3V4lIsk4Gacw==}
     engines: {node: '>=18'}
 
+  wsl-utils@0.3.0:
+    resolution: {integrity: sha512-3sFIGLiaDP7rTO4xh3g+b3AzhYDIUGGywE/WsmqzJWDxus5aJXVnPTNC/6L+r2WzrwXqVOdD262OaO+cEyPMSQ==}
+    engines: {node: '>=20'}
+
   xml-name-validator@5.0.0:
     resolution: {integrity: sha512-EvGK8EJ3DhaHfbRlETOWAS5pO9MZITeauHKJyb8wyajUfQUenkIg2MvLDTZ4T/TgIcm3HU0TFBgWWboAZ30UHg==}
     engines: {node: '>=18'}
@@ -15324,7 +15340,7 @@ snapshots:
 
   default-browser-id@5.0.0: {}
 
-  default-browser@5.3.0:
+  default-browser@5.4.0:
     dependencies:
       bundle-name: 4.1.0
       default-browser-id: 5.0.0
@@ -16664,6 +16680,8 @@ snapshots:
     dependencies:
       is-extglob: 2.1.1
 
+  is-in-ssh@1.0.0: {}
+
   is-inside-container@1.0.0:
     dependencies:
       is-docker: 3.0.0
@@ -17808,11 +17826,20 @@ snapshots:
 
   open@10.2.0:
     dependencies:
-      default-browser: 5.3.0
+      default-browser: 5.4.0
       define-lazy-prop: 3.0.0
       is-inside-container: 1.0.0
       wsl-utils: 0.1.0
 
+  open@11.0.0:
+    dependencies:
+      default-browser: 5.4.0
+      define-lazy-prop: 3.0.0
+      is-in-ssh: 1.0.0
+      is-inside-container: 1.0.0
+      powershell-utils: 0.1.0
+      wsl-utils: 0.3.0
+
   optionator@0.9.4:
     dependencies:
       deep-is: 0.1.4
@@ -18026,6 +18053,8 @@ snapshots:
       picocolors: 1.1.1
       source-map-js: 1.2.1
 
+  powershell-utils@0.1.0: {}
+
   prebuild-install@7.1.3:
     dependencies:
       detect-libc: 2.1.2
@@ -19967,6 +19996,11 @@ snapshots:
     dependencies:
       is-wsl: 3.1.0
 
+  wsl-utils@0.3.0:
+    dependencies:
+      is-wsl: 3.1.0
+      powershell-utils: 0.1.0
+
   xml-name-validator@5.0.0: {}
 
   xmlchars@2.2.0: {}