diff --git a/versions-manifest.json b/versions-manifest.json
index 63a0a25..72ba90d 100644
--- a/versions-manifest.json
+++ b/versions-manifest.json
@@ -1,4 +1,48 @@
 [
+  {
+    "version": "20.12.1",
+    "stable": true,
+    "lts": "Iron",
+    "release_url": "https://github.com/actions/node-versions/releases/tag/20.12.1-8541409420",
+    "files": [
+      {
+        "filename": "node-20.12.1-darwin-arm64.tar.gz",
+        "arch": "arm64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/node-versions/releases/download/20.12.1-8541409420/node-20.12.1-darwin-arm64.tar.gz"
+      },
+      {
+        "filename": "node-20.12.1-darwin-x64.tar.gz",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/node-versions/releases/download/20.12.1-8541409420/node-20.12.1-darwin-x64.tar.gz"
+      },
+      {
+        "filename": "node-20.12.1-linux-arm64.tar.gz",
+        "arch": "arm64",
+        "platform": "linux",
+        "download_url": "https://github.com/actions/node-versions/releases/download/20.12.1-8541409420/node-20.12.1-linux-arm64.tar.gz"
+      },
+      {
+        "filename": "node-20.12.1-linux-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://github.com/actions/node-versions/releases/download/20.12.1-8541409420/node-20.12.1-linux-x64.tar.gz"
+      },
+      {
+        "filename": "node-20.12.1-win32-arm64.7z",
+        "arch": "arm64",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/node-versions/releases/download/20.12.1-8541409420/node-20.12.1-win32-arm64.7z"
+      },
+      {
+        "filename": "node-20.12.1-win32-x64.7z",
+        "arch": "x64",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/node-versions/releases/download/20.12.1-8541409420/node-20.12.1-win32-x64.7z"
+      }
+    ]
+  },
   {
     "version": "20.12.0",
     "stable": true,
@@ -509,6 +553,44 @@
       }
     ]
   },
+  {
+    "version": "18.20.1",
+    "stable": true,
+    "lts": "Hydrogen",
+    "release_url": "https://github.com/actions/node-versions/releases/tag/18.20.1-8541411805",
+    "files": [
+      {
+        "filename": "node-18.20.1-darwin-arm64.tar.gz",
+        "arch": "arm64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/node-versions/releases/download/18.20.1-8541411805/node-18.20.1-darwin-arm64.tar.gz"
+      },
+      {
+        "filename": "node-18.20.1-darwin-x64.tar.gz",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/node-versions/releases/download/18.20.1-8541411805/node-18.20.1-darwin-x64.tar.gz"
+      },
+      {
+        "filename": "node-18.20.1-linux-arm64.tar.gz",
+        "arch": "arm64",
+        "platform": "linux",
+        "download_url": "https://github.com/actions/node-versions/releases/download/18.20.1-8541411805/node-18.20.1-linux-arm64.tar.gz"
+      },
+      {
+        "filename": "node-18.20.1-linux-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://github.com/actions/node-versions/releases/download/18.20.1-8541411805/node-18.20.1-linux-x64.tar.gz"
+      },
+      {
+        "filename": "node-18.20.1-win32-x64.7z",
+        "arch": "x64",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/node-versions/releases/download/18.20.1-8541411805/node-18.20.1-win32-x64.7z"
+      }
+    ]
+  },
   {
     "version": "18.20.0",
     "stable": true,