diff --git a/Cargo.lock b/Cargo.lock
index c0011a24..93b456a4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -875,9 +875,9 @@ dependencies = [
 
 [[package]]
 name = "similar"
-version = "1.3.0"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ad1d488a557b235fc46dae55512ffbfc429d2482b08b4d9435ab07384ca8aec"
+checksum = "6bf11003835e462f07851028082d2a1c89d956180ce4b4b50e07fb085ec4131a"
 
 [[package]]
 name = "slab"
diff --git a/helix-core/Cargo.toml b/helix-core/Cargo.toml
index 5d2db642..2b963676 100644
--- a/helix-core/Cargo.toml
+++ b/helix-core/Cargo.toml
@@ -30,7 +30,7 @@ regex = "1"
 serde = { version = "1.0", features = ["derive"] }
 toml = "0.5"
 
-similar = "1.3"
+similar = "2.0"
 
 etcetera = "0.3"