diff --git a/WORKSPACE b/WORKSPACE
index 62f2c61..710668e 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -84,8 +84,8 @@
     name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-08-07.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8740231103396971761.
-    commit = "e6af48396fd8c9480657b5502f1267a801f44892",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8740221700637032881.
+    commit = "28d16ef6f95b03250e424dd9788cbbb2ccaed7b4",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
 )
 
@@ -93,8 +93,8 @@
     name = "pw_toolchain",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-08-07.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8740231103396971761.
-    commit = "e6af48396fd8c9480657b5502f1267a801f44892",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8740221700637032881.
+    commit = "28d16ef6f95b03250e424dd9788cbbb2ccaed7b4",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
     strip_prefix = "pw_toolchain_bazel",
 )