diff --git a/.bazelrc b/.bazelrc
index 96b4eca24..6aa7a768c 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -4,3 +4,9 @@ common --host_per_file_copt=external/.*@-w
 
 # Produce useful output when the build fails.
 common --verbose_failures
+
+# Don't automatically create __init__.py files.
+#
+# This prevents spurious package name collisions at import time, and should be
+# the default (https://github.com/bazelbuild/bazel/issues/7386).
+common --incompatible_default_to_explicit_init_py
diff --git a/.bazelversion b/.bazelversion
index b26a34e47..ae9a76b92 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-7.2.1
+8.0.0
diff --git a/MODULE.bazel b/MODULE.bazel
index d3afd78ff..3dcfc5ba9 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -9,6 +9,17 @@ bazel_dep(name = "rules_python", version = "0.36.0")
 bazel_dep(name = "picotool", version = "2.1.1")
 bazel_dep(name = "rules_cc", version = "0.0.10")
 
+# Only use Pigweed for develop flows (code formatting, on-device testing, etc.).
+# Since Pigweed isn't in the BCR, any references to Pigweed will force
+# downstream projects to add an override. Don't `load()` from @pigweed in
+# any directories other than //test/*.
+bazel_dep(name = "pigweed", version = "0.0.1", dev_dependency = True)
+git_override(
+    module_name = "pigweed",
+    commit = "f9979ae9110b650072b463392c72ae536763718b",
+    remote = "https://pigweed.googlesource.com/pigweed/pigweed",
+)
+
 http_archive = use_repo_rule("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 http_archive(
@@ -136,7 +147,7 @@ register_toolchains(
 python = use_extension("@rules_python//python/extensions:python.bzl", "python")
 python.toolchain(
     configure_coverage_tool = True,
-    python_version = "3.9",
+    python_version = "3.11",
 )
 
 use_repo(python, "pythons_hub")
diff --git a/tools/BUILD.bazel b/tools/BUILD.bazel
index ffd0fb0cd..303e91fcb 100644
--- a/tools/BUILD.bazel
+++ b/tools/BUILD.bazel
@@ -1 +1,16 @@
 package(default_visibility = ["//visibility:public"])
+
+# `bazelisk run //tools:format_code` to fix code formatting.
+alias(
+    name = "format_code",
+    actual = "@pigweed//pw_presubmit/py:format",
+    tags = ["manual"],  # Don't let wildcards touch this.
+)
+
+# `bazelisk run //tools:check_code_formatting` to check for formatting
+# findings without fixing them in-place.
+alias(
+    name = "check_code_formatting",
+    actual = "@pigweed//pw_presubmit/py:check_formatting",
+    tags = ["manual"],  # Don't let wildcards touch this.
+)