diff --git a/versions-manifest.json b/versions-manifest.json
index 479ef8a..4e19baf 100644
--- a/versions-manifest.json
+++ b/versions-manifest.json
@@ -1,4 +1,29 @@
 [
+  {
+    "version": "1.16.3",
+    "stable": true,
+    "release_url": "https://github.com/actions/go-versions/releases/tag/1.16.3-710801405",
+    "files": [
+      {
+        "filename": "go-1.16.3-darwin-x64.tar.gz",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/go-versions/releases/download/1.16.3-710801405/go-1.16.3-darwin-x64.tar.gz"
+      },
+      {
+        "filename": "go-1.16.3-linux-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://github.com/actions/go-versions/releases/download/1.16.3-710801405/go-1.16.3-linux-x64.tar.gz"
+      },
+      {
+        "filename": "go-1.16.3-win32-x64.zip",
+        "arch": "x64",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/go-versions/releases/download/1.16.3-710801405/go-1.16.3-win32-x64.zip"
+      }
+    ]
+  },
   {
     "version": "1.16.2",
     "stable": true,
@@ -74,6 +99,31 @@
       }
     ]
   },
+  {
+    "version": "1.15.11",
+    "stable": true,
+    "release_url": "https://github.com/actions/go-versions/releases/tag/1.15.11-710801874",
+    "files": [
+      {
+        "filename": "go-1.15.11-darwin-x64.tar.gz",
+        "arch": "x64",
+        "platform": "darwin",
+        "download_url": "https://github.com/actions/go-versions/releases/download/1.15.11-710801874/go-1.15.11-darwin-x64.tar.gz"
+      },
+      {
+        "filename": "go-1.15.11-linux-x64.tar.gz",
+        "arch": "x64",
+        "platform": "linux",
+        "download_url": "https://github.com/actions/go-versions/releases/download/1.15.11-710801874/go-1.15.11-linux-x64.tar.gz"
+      },
+      {
+        "filename": "go-1.15.11-win32-x64.zip",
+        "arch": "x64",
+        "platform": "win32",
+        "download_url": "https://github.com/actions/go-versions/releases/download/1.15.11-710801874/go-1.15.11-win32-x64.zip"
+      }
+    ]
+  },
   {
     "version": "1.15.10",
     "stable": true,