diff --git a/rust-version b/rust-version
index 1ced6098a..e9f1626f1 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-32e7a4b92b109c24e9822c862a7c74436b50e564
+383b9c447b61641e1f1a3850253944a897a60827
diff --git a/src/tests/directives.md b/src/tests/directives.md
index 1a72699f8..f4ba9a044 100644
--- a/src/tests/directives.md
+++ b/src/tests/directives.md
@@ -297,6 +297,7 @@ See [Pretty-printer](compiletest.md#pretty-printer-tests).
 - [`should-ice`](compiletest.md#incremental-tests) — incremental cfail should
       ICE
 - [`reference`] — an annotation linking to a rule in the reference
+- `disable-gdb-pretty-printers` — disable gdb pretty printers for debuginfo tests
 
 [`reference`]: https://github.com/rust-lang/reference/blob/master/docs/authoring.md#test-rule-annotations