diff --git a/MODULE.bazel b/MODULE.bazel
index 1866ff3..1ed45cf 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -16,8 +16,8 @@ use_repo(non_module_dependencies, "dwyu_pcpp")
 ### Development Dependencies
 ###
 
-bazel_dep(name = "aspect_bazel_lib", version = "2.9.3", dev_dependency = True)
-bazel_dep(name = "stardoc", version = "0.7.1", dev_dependency = True)
+bazel_dep(name = "aspect_bazel_lib", version = "2.10.0", dev_dependency = True)
+bazel_dep(name = "stardoc", version = "0.7.2", dev_dependency = True)
 
 python = use_extension(
     "@rules_python//python/extensions:python.bzl",
diff --git a/third_party/dependencies.bzl b/third_party/dependencies.bzl
index a480097..fd640ec 100644
--- a/third_party/dependencies.bzl
+++ b/third_party/dependencies.bzl
@@ -23,9 +23,9 @@ def dependencies():
     maybe(
         http_archive,
         name = "com_google_protobuf",
-        sha256 = "da288bf1daa6c04d03a9051781caa52aceb9163586bff9aa6cfb12f69b9395aa",
-        strip_prefix = "protobuf-27.0",
-        url = "https://github.com/protocolbuffers/protobuf/releases/download/v27.0/protobuf-27.0.tar.gz",
+        sha256 = "79cc6d09d02706c5a73e900ea842b5b3dae160f371b6654774947fe781851423",
+        strip_prefix = "protobuf-27.5",
+        url = "https://github.com/protocolbuffers/protobuf/releases/download/v27.5/protobuf-27.5.tar.gz",
     )
 
     # Keep in sync with MODULE.bazel