diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5c5912c252d8..676c12d00981 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -109,7 +109,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest]
-        node: [18]
+        node: [18, 20]
         subset: [npm, yarn, esbuild]
         shard: [0, 1, 2, 3, 4, 5]
         exclude:
@@ -142,7 +142,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        node: [18]
+        node: [18, 20]
         subset: [npm, yarn, esbuild]
         shard: [0, 1, 2, 3, 4, 5]
     runs-on: ${{ matrix.os }}
diff --git a/WORKSPACE b/WORKSPACE
index 3562c7ac73ed..8cc7420c1e3f 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -62,6 +62,21 @@ nodejs_register_toolchains(
     node_version = "18.13.0",
 )
 
+nodejs_register_toolchains(
+    name = "node20",
+    # The below can be removed once @rules_nodejs/nodejs is updated to latest which contains https://github.com/bazelbuild/rules_nodejs/pull/3701
+    node_repositories = {
+        "20.9.0-darwin_arm64": ("node-v20.9.0-darwin-arm64.tar.gz", "node-v20.9.0-darwin-arm64", "31d2d46ae8d8a3982f54e2ff1e60c2e4a8e80bf78a3e8b46dcaac95ac5d7ce6a"),
+        "20.9.0-darwin_amd64": ("node-v20.9.0-darwin-x64.tar.gz", "node-v20.9.0-darwin-x64", "fc5b73f2a78c17bbe926cdb1447d652f9f094c79582f1be6471b4b38a2e1ccc8"),
+        "20.9.0-linux_arm64": ("node-v20.9.0-linux-arm64.tar.xz", "node-v20.9.0-linux-arm64", "ced3ecece4b7c3a664bca3d9e34a0e3b9a31078525283a6fdb7ea2de8ca5683b"),
+        "20.9.0-linux_ppc64le": ("node-v20.9.0-linux-ppc64le.tar.xz", "node-v20.9.0-linux-ppc64le", "3c6cea5d614cfbb95d92de43fbc2f8ecd66e431502fe5efc4f3c02637897bd45"),
+        "20.9.0-linux_s390x": ("node-v20.9.0-linux-s390x.tar.xz", "node-v20.9.0-linux-s390x", "af1f4e63756ff685d452166c4d5ba93a308e816ee7c46015b5e086163d9f011b"),
+        "20.9.0-linux_amd64": ("node-v20.9.0-linux-x64.tar.xz", "node-v20.9.0-linux-x64", "9033989810bf86220ae46b1381bdcdc6c83a0294869ba2ad39e1061f1e69217a"),
+        "20.9.0-windows_amd64": ("node-v20.9.0-win-x64.zip", "node-v20.9.0-win-x64", "70d87dad2378c63216ff83d5a754c61d2886fc39d32ce0d2ea6de763a22d3780"),
+    },
+    node_version = "20.9.0",
+)
+
 load("@build_bazel_rules_nodejs//:index.bzl", "yarn_install")
 
 yarn_install(
diff --git a/constants.bzl b/constants.bzl
index bdc915d3f658..39df98292c0e 100644
--- a/constants.bzl
+++ b/constants.bzl
@@ -1,5 +1,5 @@
 # Engine versions to stamp in a release package.json
-RELEASE_ENGINES_NODE = ">=18.13.0"
+RELEASE_ENGINES_NODE = "^18.13.0 || >=20.9.0"
 RELEASE_ENGINES_NPM = "^6.11.0 || ^7.5.6 || >=8.0.0"
 RELEASE_ENGINES_YARN = ">= 1.13.0"
 
diff --git a/package.json b/package.json
index 0b62732e5d48..a5c6d3601f11 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "url": "https://github.com/angular/angular-cli.git"
   },
   "engines": {
-    "node": "^18.13.0",
+    "node": "^18.13.0 || ^20.9.0",
     "yarn": ">=1.21.1 <2",
     "npm": "Please use yarn instead of NPM to install dependencies"
   },
diff --git a/tools/toolchain_info.bzl b/tools/toolchain_info.bzl
index febfe353fe5c..2effef87efe3 100644
--- a/tools/toolchain_info.bzl
+++ b/tools/toolchain_info.bzl
@@ -4,6 +4,7 @@
 # the order will match against the order in the TOOLCHAIN_VERSION list.
 TOOLCHAINS_NAMES = [
     "node18",
+    "node20",
 ]
 
 # this is the list of toolchains that should be used and are registered with nodejs_register_toolchains in the WORKSPACE file
@@ -13,6 +14,11 @@ TOOLCHAINS_VERSIONS = [
         "@bazel_tools//src/conditions:darwin": "@node18_darwin_amd64//:node_toolchain",
         "@bazel_tools//src/conditions:windows": "@node18_windows_amd64//:node_toolchain",
     }),
+    select({
+        "@bazel_tools//src/conditions:linux_x86_64": "@node20_linux_amd64//:node_toolchain",
+        "@bazel_tools//src/conditions:darwin": "@node20_darwin_amd64//:node_toolchain",
+        "@bazel_tools//src/conditions:windows": "@node20_windows_amd64//:node_toolchain",
+    }),
 ]
 
 # A default toolchain for use when only one is necessary