diff --git a/Cargo.lock b/Cargo.lock
index 47bd1d3..e12a164 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,6 +8,18 @@ version = "0.11.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe438c63458706e03479442743baae6c88256498e6431708f6dfc520a26515d3"
 
+[[package]]
+name = "ahash"
+version = "0.8.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d713b3834d76b85304d4d525563c1276e2e30dc97cc67bfb4585a4a29fc2c89f"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "version_check",
+ "zerocopy",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.2"
@@ -17,6 +29,12 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "allocator-api2"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0942ffc6dcaadf03badf6e6a2d0228460359d5e34b57ccdc720b7382dfbd5ec5"
+
 [[package]]
 name = "anstream"
 version = "0.6.11"
@@ -98,6 +116,9 @@ name = "bumpalo"
 version = "3.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f30e7476521f6f8af1a1c4c0b8cc94f0bee37d91763d0ca2665f299b6cd8aec"
+dependencies = [
+ "allocator-api2",
+]
 
 [[package]]
 name = "cfg-if"
@@ -165,12 +186,13 @@ checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
 
 [[package]]
 name = "dprint-core"
-version = "0.65.0"
+version = "0.66.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b569f4e3085ae957ecc37588e6b2227791b72745434eae966db29e122ba27f0d"
+checksum = "7f5364ca88d9850d851774ac5108372b03ae50f49f51b43b1a12aad077c519d6"
 dependencies = [
  "anyhow",
  "bumpalo",
+ "hashbrown",
  "indexmap",
  "rustc-hash",
  "serde",
@@ -231,6 +253,10 @@ name = "hashbrown"
 version = "0.14.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+dependencies = [
+ "ahash",
+ "allocator-api2",
+]
 
 [[package]]
 name = "heck"
@@ -759,6 +785,12 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
 
+[[package]]
+name = "version_check"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.91"
@@ -878,3 +910,23 @@ name = "windows_x86_64_msvc"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
+
+[[package]]
+name = "zerocopy"
+version = "0.7.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74d4d3961e53fa4c9a25a8637fc2bfaf2595b3d3ae34875568a5cf64787716be"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ce1b18ccd8e73a9321186f97e46f9f04b778851177567b1975109d26a08d2a6"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/crates/ruff_fmt_dprint/Cargo.toml b/crates/ruff_fmt_dprint/Cargo.toml
index b72ac6c..99b4d9a 100644
--- a/crates/ruff_fmt_dprint/Cargo.toml
+++ b/crates/ruff_fmt_dprint/Cargo.toml
@@ -20,7 +20,7 @@ crate-type = ["lib", "cdylib"]
 
 [dependencies]
 anyhow                = "1"
-dprint-core           = { version = "0.65.0", features = ["wasm"] }
+dprint-core           = { version = "0.66.0", features = ["wasm"] }
 ruff_fmt_config       = { workspace = true }
 ruff_formatter        = { workspace = true }
 ruff_python_formatter = { workspace = true }