diff --git a/MODULE.bazel b/MODULE.bazel
index fc730df..9728fd5 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -48,8 +48,8 @@
     module_name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-08-16.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8739493031024098417.
-    commit = "42cea59a620c8ee6dbff5641cdaa320fe518182a",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8739492630628908321.
+    commit = "39884c8c26fdc711cf3b870aaca1bfbef4aa1d77",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
 )
 
@@ -57,8 +57,8 @@
     module_name = "pw_toolchain",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-08-16.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8739493031024098417.
-    commit = "42cea59a620c8ee6dbff5641cdaa320fe518182a",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8739492630628908321.
+    commit = "39884c8c26fdc711cf3b870aaca1bfbef4aa1d77",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
     strip_prefix = "pw_toolchain_bazel",
 )