diff --git a/wasm/cockle-deploy/package.json b/wasm/cockle-deploy/package.json
index 0c93ce2..bd54cfa 100644
--- a/wasm/cockle-deploy/package.json
+++ b/wasm/cockle-deploy/package.json
@@ -12,11 +12,11 @@
   "author": "",
   "license": "ISC",
   "devDependencies": {
-    "@rspack/cli": "^1.0.4",
-    "@rspack/core": "^1.0.4",
-    "css-loader": "^7.1.2",
+    "@rspack/cli": "^2.0.6",
+    "@rspack/core": "^2.0.6",
+    "css-loader": "^7.1.4",
     "style-loader": "^4.0.0",
-    "ts-loader": "^9.5.1",
+    "ts-loader": "^9.6.0",
     "typescript": "^5.4.5"
   },
   "dependencies": {
diff --git a/wasm/test/package.json b/wasm/test/package.json
index 908dcce..fea56d7 100644
--- a/wasm/test/package.json
+++ b/wasm/test/package.json
@@ -16,11 +16,12 @@
     },
     "devDependencies": {
         "@jupyterlite/cockle": "file:../cockle",
-        "@rspack/cli": "^0.7.5",
-        "@rspack/core": "^0.7.5",
+        "@rspack/cli": "^2.0.6",
+        "@rspack/core": "^2.0.6",
+        "@rspack/dev-server": "^2.0.3",
         "concurrently": "^9.2.1",
         "cors-anywhere": "^0.4.4",
-        "ts-loader": "^9.5.1",
+        "ts-loader": "^9.6.0",
         "ts-node": "^10.9.2",
         "typescript": "^5.5.4"
     }
diff --git a/wasm/wasm-environment.yml b/wasm/wasm-environment.yml
index f2cf5b0..4e9c241 100644
--- a/wasm/wasm-environment.yml
+++ b/wasm/wasm-environment.yml
@@ -15,7 +15,7 @@ dependencies:
   - jupyter_server
   - jupyterlite-terminal
   # For cockle and JupyterLite deployments
-  - nodejs
+  - nodejs <25
   # For testing
   - pytest
   - pytest-playwright