diff --git a/scripts/setup/constraints.txt b/scripts/setup/constraints.txt
index 874d46f6f1a526..a97c9f0cf3f924 100644
--- a/scripts/setup/constraints.txt
+++ b/scripts/setup/constraints.txt
@@ -163,7 +163,7 @@ portpicker==1.5.2
     #   mobly
 prompt-toolkit==3.0.43
     # via ipython
-protobuf==4.24.4
+protobuf==5.28.3
     # via
     #   -r requirements.all.txt
     #   mypy-protobuf
@@ -253,7 +253,7 @@ traitlets==5.9.0
     # via
     #   ipython
     #   matplotlib-inline
-types-protobuf==4.24.0.2
+types-protobuf==5.29.1.20250208
     # via
     #   -r requirements.all.txt
     #   mypy-protobuf
diff --git a/scripts/setup/requirements.all.txt b/scripts/setup/requirements.all.txt
index 4a7672a08f639d..22d64e34874ce8 100644
--- a/scripts/setup/requirements.all.txt
+++ b/scripts/setup/requirements.all.txt
@@ -40,8 +40,8 @@ watchdog
 build==0.8.0
 mypy==1.10.1
 mypy-protobuf==3.5.0
-protobuf==4.24.4
-types-protobuf==4.24.0.2
+protobuf==5.28.3
+types-protobuf==5.29.1.20250208
 
 cffi==1.15.0; python_version < "3.13"
 cffi==1.17.1; python_version >= "3.13"
diff --git a/src/lib/support/Span.h b/src/lib/support/Span.h
index 18b077659be047..f3c412e9ccc403 100644
--- a/src/lib/support/Span.h
+++ b/src/lib/support/Span.h
@@ -206,7 +206,7 @@ class Span
 
 inline namespace literals {
 
-inline constexpr Span<const char> operator"" _span(const char * literal, size_t size)
+inline constexpr Span<const char> operator""_span(const char * literal, size_t size)
 {
     return Span<const char>(Unchecked, literal, size);
 }
diff --git a/third_party/pigweed/repo b/third_party/pigweed/repo
index ce0e3e2d1b7eec..c12c17d8a25f0b 160000
--- a/third_party/pigweed/repo
+++ b/third_party/pigweed/repo
@@ -1 +1 @@
-Subproject commit ce0e3e2d1b7eec7cdf59fbb2ceed2b1cb3edd1ec
+Subproject commit c12c17d8a25f0b4e4522dd75094e5c995b0ced2e