diff --git a/Cargo.lock b/Cargo.lock
index e26ff37..0b7afb2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,16 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "bstr"
+version = "1.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6bb31b46c14244e20ee9984b11bf5c992b91fb6939fea616e3512c8baecdbe5f"
+dependencies = [
+ "memchr",
+ "serde_core",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.20.3"
@@ -186,9 +196,12 @@ dependencies = [
 
 [[package]]
 name = "similar"
-version = "2.7.0"
+version = "3.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbbb5d9659141646ae647b42fe094daf6c6192d1620870b449d9557f748b2daa"
+checksum = "85ee016af5d736b69fc89e19254540fa4b5f5492853fb5503920f084011c78b6"
+dependencies = [
+ "bstr",
+]
 
 [[package]]
 name = "slab"
diff --git a/Cargo.toml b/Cargo.toml
index 901516e..8724d72 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ rust-version = "1.95"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 thiserror = "2.0"
-similar = "2.6"
+similar = "3.1"
 wasm-bindgen = "0.2"
 js-sys = "0.3"
 serde-wasm-bindgen = "0.6"