diff --git a/NEWS.md b/NEWS.md
index e37e4ebf5b435a..02fef64f4cb5e5 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -47,7 +47,7 @@ releases.
 ### The following bundled gems are updated.
 
 * minitest 6.0.1
-* test-unit 3.7.6
+* test-unit 3.7.7
 * rss 0.3.2
 * net-imap 0.6.2
 * typeprof 0.31.1
diff --git a/gems/bundled_gems b/gems/bundled_gems
index f4afd8e9c27ac9..fcf63ab603ac6b 100644
--- a/gems/bundled_gems
+++ b/gems/bundled_gems
@@ -9,7 +9,7 @@
 minitest            6.0.1  https://github.com/minitest/minitest
 power_assert        3.0.1   https://github.com/ruby/power_assert
 rake                13.3.1  https://github.com/ruby/rake
-test-unit           3.7.6   https://github.com/test-unit/test-unit
+test-unit           3.7.7   https://github.com/test-unit/test-unit
 rexml               3.4.4   https://github.com/ruby/rexml
 rss                 0.3.2   https://github.com/ruby/rss
 net-ftp             0.3.9   https://github.com/ruby/net-ftp
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 6302e9ee37b60a..a5051607c15957 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 = "0.9.117"
+version = "0.9.123"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f900d1ce4629a2ebffaf5de74bd8f9c1188d4c5ed406df02f97e22f77a006f44"
+checksum = "45fb1a185af97ee456f1c9e56dbe6e2e662bec4fdeaf83c4c28e0e6adfb18816"
 dependencies = [
  "rb-sys-build",
 ]
 
 [[package]]
 name = "rb-sys-build"
-version = "0.9.117"
+version = "0.9.123"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef1e9c857028f631056bcd6d88cec390c751e343ce2223ddb26d23eb4a151d59"
+checksum = "a58ebd02d7a6033e6a5f6f8d150c1e9f16506039092b84a73e6bedce6d3adf41"
 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 e26fa352a81156..42ac3497a66b14 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 = "0.9.117"
+rb-sys = "0.9.123"
diff --git a/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.lock b/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.lock
index 4bbe8932a2b8a4..efc85ffd5fcbf0 100644
--- a/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.lock
+++ b/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.lock
@@ -145,18 +145,18 @@ dependencies = [
 
 [[package]]
 name = "rb-sys"
-version = "0.9.117"
+version = "0.9.123"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f900d1ce4629a2ebffaf5de74bd8f9c1188d4c5ed406df02f97e22f77a006f44"
+checksum = "45fb1a185af97ee456f1c9e56dbe6e2e662bec4fdeaf83c4c28e0e6adfb18816"
 dependencies = [
  "rb-sys-build",
 ]
 
 [[package]]
 name = "rb-sys-build"
-version = "0.9.117"
+version = "0.9.123"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef1e9c857028f631056bcd6d88cec390c751e343ce2223ddb26d23eb4a151d59"
+checksum = "a58ebd02d7a6033e6a5f6f8d150c1e9f16506039092b84a73e6bedce6d3adf41"
 dependencies = [
  "bindgen",
  "lazy_static",
diff --git a/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.toml b/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.toml
index 55d5c5bde7f645..6972bb51750cdf 100644
--- a/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.toml
+++ b/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/Cargo.toml
@@ -7,4 +7,4 @@ edition = "2021"
 crate-type = ["cdylib"]
 
 [dependencies]
-rb-sys = "0.9.117"
+rb-sys = "0.9.123"