diff --git a/Cargo.lock b/Cargo.lock
index 957a9f9..fa39bab 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -279,22 +279,13 @@ dependencies = [
  "itertools 0.10.5",
 ]
 
-[[package]]
-name = "diffy"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e616e59155c92257e84970156f506287853355f58cd4a6eb167385722c32b790"
-dependencies = [
- "nu-ansi-term 0.46.0",
-]
-
 [[package]]
 name = "diffy"
 version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b545b8c50194bdd008283985ab0b31dba153cfd5b3066a92770634fbc0d7d291"
 dependencies = [
- "nu-ansi-term 0.50.1",
+ "nu-ansi-term",
 ]
 
 [[package]]
@@ -443,7 +434,7 @@ dependencies = [
  "camino",
  "cfg-if",
  "debug-ignore",
- "diffy 0.4.2",
+ "diffy",
  "guppy",
  "guppy-workspace-hack",
  "include_dir",
@@ -686,7 +677,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "camino",
- "diffy 0.3.0",
+ "diffy",
  "globset",
  "guppy",
  "nexlint",
@@ -695,16 +686,6 @@ dependencies = [
  "toml",
 ]
 
-[[package]]
-name = "nu-ansi-term"
-version = "0.46.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84"
-dependencies = [
- "overload",
- "winapi",
-]
-
 [[package]]
 name = "nu-ansi-term"
 version = "0.50.1"
@@ -729,12 +710,6 @@ version = "1.20.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "945462a4b81e43c4e3ba96bd7b49d834c6f61198356aa858733bc4acf3cbe62e"
 
-[[package]]
-name = "overload"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
-
 [[package]]
 name = "owo-colors"
 version = "3.5.0"
diff --git a/nexlint-lints/Cargo.toml b/nexlint-lints/Cargo.toml
index 4dfabc0..4bc743b 100644
--- a/nexlint-lints/Cargo.toml
+++ b/nexlint-lints/Cargo.toml
@@ -7,7 +7,7 @@ license = "Apache-2.0 OR MIT"
 [dependencies]
 anyhow = "1.0.96"
 camino = "1.1.9"
-diffy = "0.3"
+diffy = "0.4"
 globset = "0.4.15"
 guppy = "0.17.16"
 nexlint = { path = "../nexlint" }