diff --git a/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.lock b/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.lock
index da09e717f0..0f1fa7c430 100644
--- a/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.lock
+++ b/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.lock
@@ -160,9 +160,9 @@ dependencies = [
 
 [[package]]
 name = "rb-sys"
-version = "0.9.29"
+version = "0.9.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0317cb843cdeef14c5622917c55c0a170cee31348eb600c4a1683fb8c9e87e7a"
+checksum = "24b22a374fc2e92eb6f49d7efe4eb7663655c6e9455d9259ed3342cc1599da85"
 dependencies = [
  "bindgen",
  "linkify",
@@ -171,9 +171,9 @@ dependencies = [
 
 [[package]]
 name = "rb-sys-build"
-version = "0.9.29"
+version = "0.9.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4b8274327aecb7edcff86e290d9cbe7b572b7889c1cfc7476358f4831f78ce5"
+checksum = "3cd23b6dd929b7d50ccb35a6d3aa77dec364328ab9cb304dd32c629332491671"
 dependencies = [
  "regex",
  "shell-words",
diff --git a/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.toml b/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.toml
index 2a215a55dd..c9ba5c27bd 100644
--- a/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.toml
+++ b/test/rubygems/test_gem_ext_cargo_builder/custom_name/Cargo.toml
@@ -7,4 +7,4 @@ edition = "2021"
 crate-type = ["cdylib"]
 
 [dependencies]
-rb-sys = { version = "0.9.29", features = ["gem"] }
+rb-sys = { version = "0.9.30", features = ["gem"] }