diff --git a/.github/workflows/release-vscode.yml b/.github/workflows/release-vscode.yml
index a06e3d5c..b6ad6629 100644
--- a/.github/workflows/release-vscode.yml
+++ b/.github/workflows/release-vscode.yml
@@ -85,7 +85,7 @@ jobs:
           node-version: 22
       - name: Check Rust Version
         run: yarn check-msrv
-      - uses: dtolnay/rust-toolchain@1.82.0 # check-min-version
+      - uses: dtolnay/rust-toolchain@1.83.0 # check-min-version
       - uses: Swatinem/rust-cache@v2
       - run: cargo check --workspace
 
diff --git a/Cargo.toml b/Cargo.toml
index 7b17f973..a342a010 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ license = "Apache-2.0"
 homepage = "https://github.com/Myriad-Dreamin/tinymist"
 repository = "https://github.com/Myriad-Dreamin/tinymist"
 # also change in ci.yml
-rust-version = "1.82"
+rust-version = "1.83"
 
 [workspace]
 resolver = "2"
diff --git a/crates/tinymist-query/src/analysis/completion/scope.rs b/crates/tinymist-query/src/analysis/completion/scope.rs
index a1785af0..d249eb6e 100644
--- a/crates/tinymist-query/src/analysis/completion/scope.rs
+++ b/crates/tinymist-query/src/analysis/completion/scope.rs
@@ -166,7 +166,7 @@ impl CompletionPair<'_, '_, '_> {
 
             let docs = default_docs.get(&name).cloned();
 
-            let label_detail = ty.describe().map(From::from).or_else(|| Some("any".into()));
+            let label_detail = ty.describe().or_else(|| Some("any".into()));
 
             crate::log_debug_ct!("scope completions!: {name} {ty:?} {label_detail:?}");
             let detail = docs.or_else(|| label_detail.clone());
diff --git a/crates/tinymist-query/src/analysis/completion/snippet.rs b/crates/tinymist-query/src/analysis/completion/snippet.rs
index bcd19939..6f12627c 100644
--- a/crates/tinymist-query/src/analysis/completion/snippet.rs
+++ b/crates/tinymist-query/src/analysis/completion/snippet.rs
@@ -228,7 +228,7 @@ impl CompletionPair<'_, '_, '_> {
                 continue;
             }
 
-            let label_details = ty.describe().map(From::from).or_else(|| Some("any".into()));
+            let label_details = ty.describe().or_else(|| Some("any".into()));
             let base = Completion {
                 kind: CompletionKind::Func,
                 label_details,
diff --git a/crates/typst-preview/src/debug_loc.rs b/crates/typst-preview/src/debug_loc.rs
index d7765703..42c7314d 100644
--- a/crates/typst-preview/src/debug_loc.rs
+++ b/crates/typst-preview/src/debug_loc.rs
@@ -24,7 +24,7 @@ impl InternId {
     }
 
     fn to_u64(&self) -> u64 {
-        (self.lifetime as u64) << 32 | self.id as u64
+        ((self.lifetime as u64) << 32) | self.id as u64
     }
 
     fn from_u64(id: u64) -> Self {
diff --git a/crates/typst-preview/src/outline.rs b/crates/typst-preview/src/outline.rs
index 1d4fb2c4..02449647 100644
--- a/crates/typst-preview/src/outline.rs
+++ b/crates/typst-preview/src/outline.rs
@@ -69,7 +69,7 @@ pub(crate) fn get_outline(introspector: &Introspector) -> Option<Vec<HeadingNode
             // (not exceeding whichever is the most restrictive depth limit
             // of those two).
             while children.last().is_some_and(|last| {
-                last_skipped_level.map_or(true, |l| last.level < l) && last.level < leaf.level
+                last_skipped_level.is_none_or(|l| last.level < l) && last.level < leaf.level
             }) {
                 children = &mut children.last_mut().unwrap().children;
             }
@@ -81,7 +81,7 @@ pub(crate) fn get_outline(introspector: &Introspector) -> Option<Vec<HeadingNode
             // needed, following the usual rules listed above.
             last_skipped_level = None;
             children.push(leaf);
-        } else if last_skipped_level.map_or(true, |l| leaf.level < l) {
+        } else if last_skipped_level.is_none_or(|l| leaf.level < l) {
             // Only the topmost / lowest-level skipped heading matters when you
             // have consecutive skipped headings (since none of them are being
             // added to the bookmark tree), hence the condition above.
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 63a29fcf..0a22b449 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.84"
+channel = "1.85"
 components = ["rustc", "cargo", "rust-std", "clippy", "rustfmt"]