diff --git a/Cargo.lock b/Cargo.lock
index 4e27b8f29e..5ca6588db7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -188,9 +188,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bitflags"
-version = "2.8.0"
+version = "2.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f68f53c83ab957f72c32642f3868eec03eb974d1fb82e453128456482613d36"
+checksum = "5c8214115b7bf84099f1309324e63141d4c5d7cc26862f97a0a857dbefe165bd"
 
 [[package]]
 name = "block-buffer"
@@ -1074,7 +1074,7 @@ version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0bf760ebf69878d9fd8f110c89703d90ce35095324d1f1edcb595c63945ee757"
 dependencies = [
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
  "ignore",
  "walkdir",
 ]
@@ -1397,7 +1397,7 @@ version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f37dccff2791ab604f9babef0ba14fbe0be30bd368dc541e2b08d07c8aa908f3"
 dependencies = [
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
  "inotify-sys",
  "libc",
 ]
@@ -1621,7 +1621,7 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c0ff37bd590ca25063e35af745c343cb7a0271906fb7b37e4813e8f79f00268d"
 dependencies = [
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
  "libc",
  "redox_syscall",
 ]
@@ -1804,7 +1804,7 @@ version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "71e2746dc3a24dd78b3cfcb7be93368c6de9963d30f43a6a73998a9cf4b17b46"
 dependencies = [
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
  "cfg-if",
  "cfg_aliases",
  "libc",
@@ -1832,7 +1832,7 @@ version = "8.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2fee8403b3d66ac7b26aee6e40a897d85dc5ce26f44da36b8b73e987cc52e943"
 dependencies = [
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
  "filetime",
  "fsevent-sys",
  "inotify",
@@ -2463,7 +2463,7 @@ name = "red_knot_python_semantic"
 version = "0.0.0"
 dependencies = [
  "anyhow",
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
  "camino",
  "compact_str",
  "countme",
@@ -2586,7 +2586,7 @@ version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "03a862b389f93e68874fbf580b9de08dd02facb9a788ebadaf4a3fd33cf58834"
 dependencies = [
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
 ]
 
 [[package]]
@@ -2663,7 +2663,7 @@ dependencies = [
  "argfile",
  "assert_fs",
  "bincode",
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
  "cachedir",
  "chrono",
  "clap",
@@ -2895,7 +2895,7 @@ version = "0.9.9"
 dependencies = [
  "aho-corasick",
  "anyhow",
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
  "chrono",
  "clap",
  "colored 3.0.0",
@@ -2985,7 +2985,7 @@ name = "ruff_python_ast"
 version = "0.0.0"
 dependencies = [
  "aho-corasick",
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
  "compact_str",
  "is-macro",
  "itertools 0.14.0",
@@ -3069,7 +3069,7 @@ dependencies = [
 name = "ruff_python_literal"
 version = "0.0.0"
 dependencies = [
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
  "itertools 0.14.0",
  "ruff_python_ast",
  "unic-ucd-category",
@@ -3080,7 +3080,7 @@ name = "ruff_python_parser"
 version = "0.0.0"
 dependencies = [
  "anyhow",
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
  "bstr",
  "compact_str",
  "insta",
@@ -3114,7 +3114,7 @@ dependencies = [
 name = "ruff_python_semantic"
 version = "0.0.0"
 dependencies = [
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
  "is-macro",
  "ruff_cache",
  "ruff_index",
@@ -3133,7 +3133,7 @@ dependencies = [
 name = "ruff_python_stdlib"
 version = "0.0.0"
 dependencies = [
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
  "unicode-ident",
 ]
 
@@ -3303,7 +3303,7 @@ version = "0.38.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fdb5bc1ae2baa591800df16c9ca78619bf65c0488b41b96ccec5d11220d8c154"
 dependencies = [
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
  "errno",
  "libc",
  "linux-raw-sys",
@@ -4709,7 +4709,7 @@ version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3268f3d866458b787f390cf61f4bbb563b922d091359f9608842999eaee3943c"
 dependencies = [
- "bitflags 2.8.0",
+ "bitflags 2.9.0",
 ]
 
 [[package]]