diff --git a/Cargo.lock b/Cargo.lock
index da34af4b96..99ddf0f77c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -982,9 +982,9 @@ dependencies = [
 
 [[package]]
 name = "tree-sitter"
-version = "0.21.0"
+version = "0.22.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "705bf7c0958d0171dd7d3a6542f2f4f21d87ed5f1dc8db52919d3a6bed9a359a"
+checksum = "df7cc499ceadd4dcdf7ec6d4cbc34ece92c3fa07821e287aedecd4416c516dca"
 dependencies = [
  "cc",
  "regex",
diff --git a/Cargo.toml b/Cargo.toml
index e24f236da1..5f84d5a3a3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,12 +41,7 @@ typed-arena = "2.0.2"
 rustc-hash = "2.0.0"
 strsim = "0.10.0"
 lazy_static = "1.4.0"
-# tree-sitter 0.22.5 uses std::os::fd::AsRawFd, which was added in Rust 1.66.
-# https://github.com/tree-sitter/tree-sitter/commit/a7a47d561d4e64eaf226f93c4d68076afa67fdda
-#
-# tree-sitter 0.22.0 has some API changes which we need to update
-# difftastic for.
-tree-sitter = "0.21.0"
+tree-sitter = "0.22.0"
 libc = "0.2.108"
 log = "0.4.14"
 pretty_env_logger = "0.5.0"