diff --git a/Cargo.lock b/Cargo.lock
index 7d16883e7..320670feb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -949,9 +949,9 @@ dependencies = [
 
 [[package]]
 name = "similar"
-version = "2.0.0"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6bf11003835e462f07851028082d2a1c89d956180ce4b4b50e07fb085ec4131a"
+checksum = "2e24979f63a11545f5f2c60141afe249d4f19f84581ea2138065e400941d83d3"
 
 [[package]]
 name = "slab"
diff --git a/helix-core/Cargo.toml b/helix-core/Cargo.toml
index 2b9636762..ba6bea6a4 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 = "2.0"
+similar = "2.1"
 
 etcetera = "0.3"