diff --git a/ast/asdl_rs.py b/ast/asdl_rs.py
index a558500d..f1b2b91f 100755
--- a/ast/asdl_rs.py
+++ b/ast/asdl_rs.py
@@ -716,7 +716,7 @@ def composite_fields(self, header, fields, depth):
             name = rust_field(field.name)
             self.emit(f"{name},", depth + 1)
         self.emit("range,", depth + 1)
-        self.emit(f"}})", depth)
+        self.emit("})", depth)
 
 
 class FoldModuleVisitor(EmitVisitor):
diff --git a/format/Cargo.toml b/format/Cargo.toml
index 4a008f6e..931a7309 100644
--- a/format/Cargo.toml
+++ b/format/Cargo.toml
@@ -10,7 +10,7 @@ license = "MIT"
 [dependencies]
 rustpython-literal = { workspace = true }
 
-bitflags = "2.2.1"
+bitflags = "2.3.1"
 itertools = "0.10.5"
 num-bigint = { workspace = true }
 num-traits = { workspace = true }