diff --git a/.github/workflows/nightly.yaml b/.github/workflows/nightly.yaml
index 2ff8d9a0a039..d8b27de7b134 100644
--- a/.github/workflows/nightly.yaml
+++ b/.github/workflows/nightly.yaml
@@ -83,7 +83,7 @@ jobs:
     steps:
       - name: 📂 Checkout code
         uses: actions/checkout@v4
-      - run: rustup override set nightly-2024-06-30
+      - run: rustup override set nightly-2025-01-12
       - uses: baptiste0928/cargo-install@v3
         with:
           crate: cargo-udeps
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 4340d073e86b..8fb46bb51cbb 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -537,7 +537,7 @@ jobs:
     steps:
       - name: 📂 Checkout code
         uses: actions/checkout@v4
-      - run: rustup override set nightly-2024-06-30
+      - run: rustup override set nightly-2025-01-12
       - uses: baptiste0928/cargo-install@v3
         with:
           crate: cargo-hack
diff --git a/prqlc/prqlc-parser/src/parser/mod.rs b/prqlc/prqlc-parser/src/parser/mod.rs
index ef572c640958..f28ebff71fed 100644
--- a/prqlc/prqlc-parser/src/parser/mod.rs
+++ b/prqlc/prqlc-parser/src/parser/mod.rs
@@ -198,13 +198,15 @@ mod tests {
         "#);
     }
 
+    #[cfg(test)]
+    impl SupportsDocComment for String {
+        fn with_doc_comment(self, _doc_comment: Option<String>) -> Self {
+            self
+        }
+    }
+
     #[test]
     fn test_no_doc_comment_in_with_doc_comment() {
-        impl SupportsDocComment for String {
-            fn with_doc_comment(self, _doc_comment: Option<String>) -> Self {
-                self
-            }
-        }
         assert_debug_snapshot!(parse_with_parser(r#"hello"#, with_doc_comment(new_line().ignore_then(ident_part()))).unwrap(), @r#""hello""#);
     }
 }
diff --git a/prqlc/prqlc-parser/src/span.rs b/prqlc/prqlc-parser/src/span.rs
index 6d75819303e3..7dcce0c92180 100644
--- a/prqlc/prqlc-parser/src/span.rs
+++ b/prqlc/prqlc-parser/src/span.rs
@@ -57,7 +57,7 @@ impl<'de> Deserialize<'de> for Span {
     {
         struct SpanVisitor {}
 
-        impl<'de> Visitor<'de> for SpanVisitor {
+        impl Visitor<'_> for SpanVisitor {
             type Value = Span;
 
             fn expecting(&self, f: &mut fmt::Formatter) -> fmt::Result {
diff --git a/prqlc/prqlc/src/codegen/mod.rs b/prqlc/prqlc/src/codegen/mod.rs
index 3ca401ed70f6..b69d349498a5 100644
--- a/prqlc/prqlc/src/codegen/mod.rs
+++ b/prqlc/prqlc/src/codegen/mod.rs
@@ -149,7 +149,7 @@ struct SeparatedExprs<'a, T: WriteSource> {
     line_end: &'static str,
 }
 
-impl<'a, T: WriteSource> WriteSource for SeparatedExprs<'a, T> {
+impl<T: WriteSource> WriteSource for SeparatedExprs<'_, T> {
     fn write(&self, mut opt: WriteOpt) -> Option<String> {
         // try inline
         if let Some(inline) = self.write_inline(opt.clone()) {
@@ -180,7 +180,7 @@ impl<'a, T: WriteSource> WriteSource for SeparatedExprs<'a, T> {
     }
 }
 
-impl<'a, T: WriteSource> SeparatedExprs<'a, T> {
+impl<T: WriteSource> SeparatedExprs<'_, T> {
     fn write_inline(&self, mut opt: WriteOpt) -> Option<String> {
         let mut exprs = Vec::new();
         for expr in self.exprs {
diff --git a/prqlc/prqlc/src/error_message.rs b/prqlc/prqlc/src/error_message.rs
index 8671304bcd7b..7f519b2068b6 100644
--- a/prqlc/prqlc/src/error_message.rs
+++ b/prqlc/prqlc/src/error_message.rs
@@ -220,7 +220,7 @@ impl<'a> FileTreeCache<'a> {
     }
 }
 
-impl<'a> Cache<PathBuf> for FileTreeCache<'a> {
+impl Cache<PathBuf> for FileTreeCache<'_> {
     type Storage = String;
     fn fetch(&mut self, id: &PathBuf) -> Result<&Source, Box<dyn fmt::Debug + '_>> {
         let file_contents = match self.file_tree.sources.get(id) {
diff --git a/prqlc/prqlc/src/ir/decl.rs b/prqlc/prqlc/src/ir/decl.rs
index fc6c940862fe..a859af7881f8 100644
--- a/prqlc/prqlc/src/ir/decl.rs
+++ b/prqlc/prqlc/src/ir/decl.rs
@@ -148,7 +148,7 @@ impl std::fmt::Debug for Module {
 
 struct DebugNames<'a>(&'a HashMap<String, Decl>);
 
-impl<'a> std::fmt::Debug for DebugNames<'a> {
+impl std::fmt::Debug for DebugNames<'_> {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         let mut dm = f.debug_map();
         for (n, decl) in self.0.iter().sorted_by_key(|x| x.0) {
diff --git a/prqlc/prqlc/src/semantic/reporting.rs b/prqlc/prqlc/src/semantic/reporting.rs
index 472bb883c179..039e2145afe1 100644
--- a/prqlc/prqlc/src/semantic/reporting.rs
+++ b/prqlc/prqlc/src/semantic/reporting.rs
@@ -41,7 +41,7 @@ struct Labeler<'a> {
     report: &'a mut ReportBuilder<'static, (String, Range<usize>)>,
 }
 
-impl<'a> Labeler<'a> {
+impl Labeler<'_> {
     fn label_module(&mut self, module: &Module) {
         for (_, decl) in module.names.iter() {
             if let DeclKind::TableDecl(TableDecl {
@@ -67,7 +67,7 @@ impl<'a> Labeler<'a> {
     }
 }
 
-impl<'a> pl::PlFold for Labeler<'a> {
+impl pl::PlFold for Labeler<'_> {
     fn fold_expr(&mut self, node: pl::Expr) -> Result<pl::Expr> {
         if let Some(ident) = node.kind.as_ident() {
             if let Some(span) = node.span {
diff --git a/prqlc/prqlc/src/sql/pq/anchor.rs b/prqlc/prqlc/src/sql/pq/anchor.rs
index 29537046d085..cb6bc559f51a 100644
--- a/prqlc/prqlc/src/sql/pq/anchor.rs
+++ b/prqlc/prqlc/src/sql/pq/anchor.rs
@@ -649,7 +649,7 @@ impl<'a> CidRedirector<'a> {
     }
 }
 
-impl<'a> RqFold for CidRedirector<'a> {
+impl RqFold for CidRedirector<'_> {
     fn fold_cid(&mut self, cid: CId) -> Result<CId> {
         Ok(self.cid_redirects.get(&cid).cloned().unwrap_or(cid))
     }
@@ -666,7 +666,7 @@ impl<'a> RqFold for CidRedirector<'a> {
     }
 }
 
-impl<'a> PqMapper<RIId, RIId, Transform, Transform> for CidRedirector<'a> {
+impl PqMapper<RIId, RIId, Transform, Transform> for CidRedirector<'_> {
     fn fold_rel(&mut self, rel: RIId) -> Result<RIId> {
         Ok(rel)
     }
diff --git a/prqlc/prqlc/src/sql/pq/context.rs b/prqlc/prqlc/src/sql/pq/context.rs
index 9089bb668553..0c1c28418e7c 100644
--- a/prqlc/prqlc/src/sql/pq/context.rs
+++ b/prqlc/prqlc/src/sql/pq/context.rs
@@ -135,8 +135,8 @@ impl AnchorContext {
         QueryLoader::load(context, query)
     }
 
-    /// Generates a new ID and name for a wildcard column and registers it in the
-    /// AnchorContext's column_decls HashMap.
+    // /// Generates a new ID and name for a wildcard column and registers it in the
+    // /// AnchorContext's column_decls HashMap.
     // pub fn register_wildcard(&mut self, riid: RIId) -> CId {
     //     let id = self.cid.gen();
     //     let kind = ColumnDecl::RelationColumn(riid, id, RelationColumn::Wildcard);
@@ -240,7 +240,7 @@ impl AnchorContext {
         }
     }
 
-    /// Returns a set of all columns of all tables in a pipeline
+    // /// Returns a set of all columns of all tables in a pipeline
     // pub(super) fn collect_pipeline_inputs(
     //     &self,
     //     pipeline: &[SqlTransform],
diff --git a/prqlc/prqlc/src/sql/pq/gen_query.rs b/prqlc/prqlc/src/sql/pq/gen_query.rs
index c79fb621cade..bf7a94c503f7 100644
--- a/prqlc/prqlc/src/sql/pq/gen_query.rs
+++ b/prqlc/prqlc/src/sql/pq/gen_query.rs
@@ -125,9 +125,9 @@ struct TransformCompiler<'a> {
     ctx: &'a mut Context,
 }
 
-impl<'a> RqFold for TransformCompiler<'a> {}
+impl RqFold for TransformCompiler<'_> {}
 
-impl<'a> PqMapper<RIId, pq::RelationExpr, rq::Transform, ()> for TransformCompiler<'a> {
+impl PqMapper<RIId, pq::RelationExpr, rq::Transform, ()> for TransformCompiler<'_> {
     fn fold_rel(&mut self, rel: RIId) -> Result<pq::RelationExpr> {
         compile_relation_instance(rel, self.ctx)
     }
diff --git a/prqlc/prqlc/src/sql/pq/postprocess.rs b/prqlc/prqlc/src/sql/pq/postprocess.rs
index 42a033f42818..fd617e2c073c 100644
--- a/prqlc/prqlc/src/sql/pq/postprocess.rs
+++ b/prqlc/prqlc/src/sql/pq/postprocess.rs
@@ -44,9 +44,9 @@ struct CteSorting {
     has_been_used: bool,
 }
 
-impl<'a> RqFold for SortingInference<'a> {}
+impl RqFold for SortingInference<'_> {}
 
-impl<'a> PqFold for SortingInference<'a> {
+impl PqFold for SortingInference<'_> {
     fn fold_sql_query(&mut self, query: SqlQuery) -> Result<SqlQuery> {
         let mut ctes = Vec::with_capacity(query.ctes.len());
         for cte in query.ctes {
@@ -102,7 +102,7 @@ impl<'a> PqFold for SortingInference<'a> {
     }
 }
 
-impl<'a> PqMapper<RelationExpr, RelationExpr, (), ()> for SortingInference<'a> {
+impl PqMapper<RelationExpr, RelationExpr, (), ()> for SortingInference<'_> {
     fn fold_rel(&mut self, rel: RelationExpr) -> Result<RelationExpr> {
         Ok(rel)
     }
@@ -200,9 +200,9 @@ struct RelVarNameAssigner<'a> {
     ctx: &'a mut Context,
 }
 
-impl<'a> RqFold for RelVarNameAssigner<'a> {}
+impl RqFold for RelVarNameAssigner<'_> {}
 
-impl<'a> PqFold for RelVarNameAssigner<'a> {
+impl PqFold for RelVarNameAssigner<'_> {
     fn fold_sql_relation(&mut self, relation: SqlRelation) -> Result<SqlRelation> {
         // only fold AtomicPipelines
         Ok(match relation {
@@ -221,7 +221,7 @@ impl<'a> PqFold for RelVarNameAssigner<'a> {
     }
 }
 
-impl<'a> PqMapper<RelationExpr, RelationExpr, (), ()> for RelVarNameAssigner<'a> {
+impl PqMapper<RelationExpr, RelationExpr, (), ()> for RelVarNameAssigner<'_> {
     fn fold_rel(&mut self, mut rel: RelationExpr) -> Result<RelationExpr> {
         // normal fold
         rel.kind = match rel.kind {
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index e9730c1a452c..5d865004fbe6 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,6 +1,6 @@
 [toolchain]
 # Generally run 1 behind latest
-channel = "1.82.0"
+channel = "1.83.0"
 components = ["rustfmt", "clippy"]
 # We want two targets: wasm32, and the default target for the platform, which we
 # don't list here. (i.e. we use each platform to test each platform)