diff --git a/library/compiler-builtins/rust-version b/library/compiler-builtins/rust-version
index e69de29bb2d1..e05aaa0573ca 100644
--- a/library/compiler-builtins/rust-version
+++ b/library/compiler-builtins/rust-version
@@ -0,0 +1 @@
+df8102fe5f24f28a918660b0cd918d7331c3896e