diff --git a/crates/hir-ty/src/diagnostics/match_check/pat_analysis.rs b/crates/hir-ty/src/diagnostics/match_check/pat_analysis.rs
index ff62344012..7bf8af4cab 100644
--- a/crates/hir-ty/src/diagnostics/match_check/pat_analysis.rs
+++ b/crates/hir-ty/src/diagnostics/match_check/pat_analysis.rs
@@ -5,11 +5,10 @@ use std::fmt;
 use hir_def::{DefWithBodyId, EnumId, EnumVariantId, HasModule, LocalFieldId, ModuleId, VariantId};
 use intern::sym;
 use once_cell::unsync::Lazy;
-use rustc_index::IndexVec;
 use rustc_pattern_analysis::{
     constructor::{Constructor, ConstructorSet, VariantVisibility},
     usefulness::{compute_match_usefulness, PlaceValidity, UsefulnessReport},
-    Captures, PatCx, PrivateUninhabitedField,
+    Captures, IndexVec, PatCx, PrivateUninhabitedField,
 };
 use smallvec::{smallvec, SmallVec};
 use stdx::never;
@@ -54,7 +53,7 @@ impl EnumVariantContiguousIndex {
     }
 }
 
-impl rustc_index::Idx for EnumVariantContiguousIndex {
+impl rustc_pattern_analysis::Idx for EnumVariantContiguousIndex {
     fn new(idx: usize) -> Self {
         EnumVariantContiguousIndex(idx)
     }
diff --git a/crates/rust-analyzer/src/version.rs b/crates/rust-analyzer/src/version.rs
index 1e829299e6..2ff967416c 100644
--- a/crates/rust-analyzer/src/version.rs
+++ b/crates/rust-analyzer/src/version.rs
@@ -15,7 +15,7 @@ pub struct VersionInfo {
     pub version: &'static str,
     /// The release channel we were built for (stable/beta/nightly/dev).
     ///
-    /// `None` if not built via rustbuild.
+    /// `None` if not built via bootstrap.
     pub release_channel: Option<&'static str>,
     /// Information about the Git repository we may have been built from.
     ///
diff --git a/rust-version b/rust-version
index 424c93a752..18e32e5c65 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-bcf1f6db4594ae6132378b179a30cdb3599a863d
+a91f7d72f12efcc00ecf71591f066c534d45ddf7