diff --git a/.openpublishing.redirection.csharp.json b/.openpublishing.redirection.csharp.json
index e77151c721d41..738ceb5510ffb 100644
--- a/.openpublishing.redirection.csharp.json
+++ b/.openpublishing.redirection.csharp.json
@@ -112,6 +112,30 @@
             "source_path_from_root": "/redirections/proposals/csharp-10.0/generic-attributes.md",
             "redirect_url": "/dotnet/csharp/language-reference/proposals/csharp-11.0/generic-attributes"
         },
+        {
+            "source_path_from_root": "/_csharplang/proposals/lock-object.md",
+            "redirect_url": "/dotnet/csharp/language-reference/proposals/csharp-13.0/lock-object"
+        },
+        {
+            "source_path_from_root": "/_csharplang/proposals/method-group-natural-type-improvements.md",
+            "redirect_url": "/dotnet/csharp/language-reference/proposals/csharp-13.0/method-group-natural-type-improvements"
+        },
+        {
+            "source_path_from_root": "/_csharplang/proposals/params-collections.md",
+            "redirect_url": "/dotnet/csharp/language-reference/proposals/csharp-13.0/params-collections"
+        },
+        {
+            "source_path_from_root": "/_csharplang/proposals/ref-struct-interfaces.md",
+            "redirect_url": "/dotnet/csharp/language-reference/proposals/csharp-13.0/ref-struct-interfaces"
+        },
+        {
+            "source_path_from_root": "/_csharplang/proposals/ref-unsafe-in-iterators-async.md",
+            "redirect_url": "/dotnet/csharp/language-reference/proposals/csharp-13.0/ref-unsafe-in-iterators-async"
+        },
+        {
+            "source_path_from_root": "/_csharplang/proposals/overload-resolution-priority.md",
+            "redirect_url": "/dotnet/csharp/language-reference/proposals/csharp-13.0/overload-resolution-priority"
+        },
         {
             "source_path_from_root": "/docs/csharp/async.md",
             "redirect_url": "/dotnet/csharp/asynchronous-programming"