diff --git a/Cargo.lock b/Cargo.lock
index 1eea52c..bd4d34c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.20"
+version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
+checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
 dependencies = [
  "memchr",
 ]
@@ -185,9 +185,9 @@ checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 
 [[package]]
 name = "memchr"
-version = "2.5.0"
+version = "2.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
+checksum = "523dc4f511e55ab87b694dc30d0f820d60906ef06413f93d4d7a1385599cc149"
 
 [[package]]
 name = "nu-ansi-term"
@@ -292,9 +292,21 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.7.1"
+version = "1.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48aaa5748ba571fb95cd2c85c09f629215d3a6ece942baa100950af03a34f733"
+checksum = "b62dbe01f0b06f9d8dc7d49e05a0785f153b00b2c227856282f671e0318c9b15"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5bb987efffd3c6d0d8f5f89510bb458559eab11e4f869acb20bf845e016259cd"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -303,9 +315,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.28"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
+checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
 
 [[package]]
 name = "ryu"
@@ -466,13 +478,23 @@ dependencies = [
  "regex",
 ]
 
+[[package]]
+name = "tree-sitter"
+version = "0.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "705bf7c0958d0171dd7d3a6542f2f4f21d87ed5f1dc8db52919d3a6bed9a359a"
+dependencies = [
+ "cc",
+ "regex",
+]
+
 [[package]]
 name = "tree-sitter-edit"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ed3213ee656e99748eca539913b5c90df3d52618d9a1714e0935013955c8031"
 dependencies = [
- "tree-sitter",
+ "tree-sitter 0.20.10",
  "tree-sitter-traversal",
 ]
 
@@ -483,7 +505,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "38d1463af5be7052171161db7cfe45c7621ed959ae533972ab47a09b1ed70ec0"
 dependencies = [
  "cc",
- "tree-sitter",
+ "tree-sitter 0.20.10",
 ]
 
 [[package]]
@@ -493,7 +515,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b0832309b0b2b6d33760ce5c0e818cb47e1d72b468516bfe4134408926fa7594"
 dependencies = [
  "cc",
- "tree-sitter",
+ "tree-sitter 0.20.10",
 ]
 
 [[package]]
@@ -502,7 +524,7 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df8a158225e4a4d8505f071340bba9edd109b23f01b70540dccb7c799868f307"
 dependencies = [
- "tree-sitter",
+ "tree-sitter 0.20.10",
 ]
 
 [[package]]
@@ -512,7 +534,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c8bc1d2c24276a48ef097a71b56888ac9db63717e8f8d0b324668a27fd619670"
 dependencies = [
  "cc",
- "tree-sitter",
+ "tree-sitter 0.20.10",
 ]
 
 [[package]]
@@ -530,7 +552,7 @@ dependencies = [
  "serde_json",
  "tracing",
  "tracing-subscriber",
- "tree-sitter",
+ "tree-sitter 0.21.0",
  "tree-sitter-edit",
 ]
 
diff --git a/crates/tree-splicer/Cargo.toml b/crates/tree-splicer/Cargo.toml
index 2fec88e..07ac23a 100644
--- a/crates/tree-splicer/Cargo.toml
+++ b/crates/tree-splicer/Cargo.toml
@@ -22,7 +22,7 @@ serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["json"], optional = true }
-tree-sitter = "0.20"
+tree-sitter = "0.21"
 tree-sitter-edit = "0.3"
 
 [features]