diff --git a/WORKSPACE b/WORKSPACE
index d725d7c..7106018 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -84,8 +84,8 @@
     name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-07-19.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8741942993737239121.
-    commit = "4786d7910a0892fb163fde14c7abddfef890620f",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8741942284303072385.
+    commit = "d39a9561840c8fe5931ee4d9ca848bf1acf6eca4",
     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 2024-07-19.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8741942993737239121.
-    commit = "4786d7910a0892fb163fde14c7abddfef890620f",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8741942284303072385.
+    commit = "d39a9561840c8fe5931ee4d9ca848bf1acf6eca4",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
     strip_prefix = "pw_toolchain_bazel",
 )