diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 0b77bed718..2b5dedbf99 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -14,9 +14,9 @@
5ce78f66d89ea529e459abddb129ab36cb5bd936
-
+
https://github.com/dotnet/source-build-externals
- a1460948fd0a4ab66b885c1575b085af70139e9a
+ 21d564f9e16f7986d8af0692258afb91a52dda80