diff --git a/Cargo.lock b/Cargo.lock
index 7e56ff5..5550892 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -95,12 +95,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "cc"
-version = "1.0.83"
+version = "1.0.98"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0"
-dependencies = [
- "libc",
-]
+checksum = "41c270e7540d725e65ac7f1b212ac8ce349719624d7bcff99f8e2e488e8cf03f"
 
 [[package]]
 name = "cexpr"
@@ -646,7 +643,7 @@ dependencies = [
  "radamsa-sys",
  "rand",
  "regex",
- "tree-sitter",
+ "tree-sitter 0.20.10",
  "tree-splicer",
  "treereduce",
 ]
@@ -769,14 +766,24 @@ dependencies = [
  "regex",
 ]
 
+[[package]]
+name = "tree-sitter"
+version = "0.22.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df7cc499ceadd4dcdf7ec6d4cbc34ece92c3fa07821e287aedecd4416c516dca"
+dependencies = [
+ "cc",
+ "regex",
+]
+
 [[package]]
 name = "tree-sitter-c"
-version = "0.20.8"
+version = "0.21.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4bbd5f3d8658c08581f8f2adac6c391c2e9fa00fe9246bf6c5f52213b9cc6b72"
+checksum = "f956d5351d62652864a4ff3ae861747e7a1940dc96c9998ae400ac0d3ce30427"
 dependencies = [
  "cc",
- "tree-sitter",
+ "tree-sitter 0.22.6",
 ]
 
 [[package]]
@@ -786,7 +793,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c44fce8f9b603fef51e6384e2771ec5448bca1b71f1aa4ee2717a1803f9b279b"
 dependencies = [
  "cc",
- "tree-sitter",
+ "tree-sitter 0.20.10",
 ]
 
 [[package]]
@@ -795,7 +802,7 @@ 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",
 ]
 
@@ -806,7 +813,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "017822b6bd42843c4bd67fabb834f61ce23254e866282dd93871350fd6b7fa1d"
 dependencies = [
  "cc",
- "tree-sitter",
+ "tree-sitter 0.20.10",
 ]
 
 [[package]]
@@ -816,7 +823,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "38d1463af5be7052171161db7cfe45c7621ed959ae533972ab47a09b1ed70ec0"
 dependencies = [
  "cc",
- "tree-sitter",
+ "tree-sitter 0.20.10",
 ]
 
 [[package]]
@@ -826,7 +833,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ae8c93b7dd2afcd9667daae048135be9ee268e9e3900f4d7d0556a63ec5336b1"
 dependencies = [
  "cc",
- "tree-sitter",
+ "tree-sitter 0.20.10",
 ]
 
 [[package]]
@@ -836,7 +843,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c93b1b1fbd0d399db3445f51fd3058e43d0b4dcff62ddbdb46e66550978aa5"
 dependencies = [
  "cc",
- "tree-sitter",
+ "tree-sitter 0.20.10",
 ]
 
 [[package]]
@@ -845,7 +852,7 @@ version = "1.0.0"
 source = "git+https://github.com/tree-sitter/tree-sitter-regex#17a3293714312c691ef14217f60593a3d093381c"
 dependencies = [
  "cc",
- "tree-sitter",
+ "tree-sitter 0.20.10",
 ]
 
 [[package]]
@@ -855,7 +862,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ac30cbb1560363ae76e1ccde543d6d99087421e228cc47afcec004b86bb711a"
 dependencies = [
  "cc",
- "tree-sitter",
+ "tree-sitter 0.20.10",
 ]
 
 [[package]]
@@ -865,7 +872,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b0832309b0b2b6d33760ce5c0e818cb47e1d72b468516bfe4134408926fa7594"
 dependencies = [
  "cc",
- "tree-sitter",
+ "tree-sitter 0.20.10",
 ]
 
 [[package]]
@@ -874,7 +881,7 @@ version = "0.0.3"
 source = "git+https://github.com/0xalpharush/tree-sitter-solidity?rev=3e26757#3e26757601014c4c70dff704a004b05eaac212ac"
 dependencies = [
  "cc",
- "tree-sitter",
+ "tree-sitter 0.20.10",
 ]
 
 [[package]]
@@ -883,7 +890,7 @@ version = "0.0.1"
 source = "git+https://github.com/langston-barrett/tree-sitter-sql#1e79451c00ef0c8f9f0c5d7e6e04f9f742827483"
 dependencies = [
  "cc",
- "tree-sitter",
+ "tree-sitter 0.20.10",
 ]
 
 [[package]]
@@ -892,7 +899,7 @@ 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]]
@@ -902,7 +909,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c8bc1d2c24276a48ef097a71b56888ac9db63717e8f8d0b324668a27fd619670"
 dependencies = [
  "cc",
- "tree-sitter",
+ "tree-sitter 0.20.10",
 ]
 
 [[package]]
@@ -916,7 +923,7 @@ dependencies = [
  "serde",
  "serde_json",
  "tracing",
- "tree-sitter",
+ "tree-sitter 0.20.10",
  "tree-sitter-edit",
 ]
 
@@ -933,7 +940,7 @@ dependencies = [
  "tempfile",
  "thiserror",
  "tracing",
- "tree-sitter",
+ "tree-sitter 0.20.10",
  "tree-sitter-edit",
  "wait-timeout",
 ]
diff --git a/crates/tree-crasher-c/Cargo.toml b/crates/tree-crasher-c/Cargo.toml
index 96e7673..78b190f 100644
--- a/crates/tree-crasher-c/Cargo.toml
+++ b/crates/tree-crasher-c/Cargo.toml
@@ -13,4 +13,4 @@ repository = "https://github.com/langston-barrett/tree-crasher"
 [dependencies]
 anyhow = "1"
 tree-crasher = { version = "0.4.0", path = "../tree-crasher" }
-tree-sitter-c = "0.20"
\ No newline at end of file
+tree-sitter-c = "0.21"
\ No newline at end of file