diff --git a/Cargo.lock b/Cargo.lock
index e6309e908727e..ed87be2ae251d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -10379,9 +10379,9 @@ checksum = "f27f6278552951f1f2b8cf9da965d10969b2efdea95a6ec47987ab46edfe263a"
 
 [[package]]
 name = "similar"
-version = "2.3.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2aeaf503862c419d66959f5d7ca015337d864e9c49485d771b732e2a20453597"
+checksum = "32fea41aca09ee824cc9724996433064c89f7777e60762749a4170a14abbfa21"
 
 [[package]]
 name = "simple_asn1"
diff --git a/src/tests/sqlsmith/Cargo.toml b/src/tests/sqlsmith/Cargo.toml
index 2ddaa196eb15e..a83bb60b2b8f3 100644
--- a/src/tests/sqlsmith/Cargo.toml
+++ b/src/tests/sqlsmith/Cargo.toml
@@ -27,7 +27,7 @@ risingwave_expr_impl = { workspace = true }
 risingwave_frontend = { workspace = true }
 risingwave_pb = { workspace = true }
 risingwave_sqlparser = { workspace = true }
-similar = "2.3.0"
+similar = "2.4.0"
 tokio = { version = "0.2", package = "madsim-tokio" }
 tokio-postgres = "0.7"
 tracing = "0.1"