diff --git a/test/rubygems/test_gem_ext_cargo_builder/custom_name/ext/custom_name_lib/Cargo.lock b/test/rubygems/test_gem_ext_cargo_builder/custom_name/ext/custom_name_lib/Cargo.lock
index 7cfe414ddd..aa9587b231 100644
--- a/test/rubygems/test_gem_ext_cargo_builder/custom_name/ext/custom_name_lib/Cargo.lock
+++ b/test/rubygems/test_gem_ext_cargo_builder/custom_name/ext/custom_name_lib/Cargo.lock
@@ -152,18 +152,18 @@ dependencies = [
 
 [[package]]
 name = "rb-sys"
-version = "0.9.85"
+version = "0.9.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05b780e6858b0b0eced1d55d0f097c024b77a37b41f83bd35341130f78e37c51"
+checksum = "7285f2a7b92f58ab198e3fd59a71d2861478f9c4642f41e83582385818941697"
 dependencies = [
  "rb-sys-build",
 ]
 
 [[package]]
 name = "rb-sys-build"
-version = "0.9.85"
+version = "0.9.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44957a3bc513dad1b0f20bdd0ee3b82e729a59da44086a6b40d8bc71958a6db8"
+checksum = "71583945f94dabb6c0dfa63f1b71e929c1901e1e288ef3739ab8bed3b7069550"
 dependencies = [
  "bindgen",
  "lazy_static",
diff --git a/test/rubygems/test_gem_ext_cargo_builder/custom_name/ext/custom_name_lib/Cargo.toml b/test/rubygems/test_gem_ext_cargo_builder/custom_name/ext/custom_name_lib/Cargo.toml
index d03cd369db..56a4188f15 100644
--- a/test/rubygems/test_gem_ext_cargo_builder/custom_name/ext/custom_name_lib/Cargo.toml
+++ b/test/rubygems/test_gem_ext_cargo_builder/custom_name/ext/custom_name_lib/Cargo.toml
@@ -7,4 +7,4 @@ edition = "2021"
 crate-type = ["cdylib"]
 
 [dependencies]
-rb-sys = "0.9.85"
+rb-sys = "0.9.86"