diff --git a/src/tools/build-manifest/src/main.rs b/src/tools/build-manifest/src/main.rs
index be3e862e7aec..517083366008 100644
--- a/src/tools/build-manifest/src/main.rs
+++ b/src/tools/build-manifest/src/main.rs
@@ -293,6 +293,8 @@ impl Builder {
         self.write_channel_files(self.versions.channel(), &manifest);
         if self.versions.channel() != rust_version {
             self.write_channel_files(&rust_version, &manifest);
+            let major_minor = rust_version.split('.').take(2).collect::<Vec<_>>().join(".");
+            self.write_channel_files(&major_minor, &manifest);
         }
     }