diff --git a/WORKSPACE b/WORKSPACE
index 19c30f7e9..2f119d48c 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -107,11 +107,15 @@ http_archive(
 
 http_archive(
     name = "rules_python",
-    sha256 = "84aec9e21cc56fbc7f1335035a71c850d1b9b5cc6ff497306f84cced9a769841",
-    strip_prefix = "rules_python-0.23.1",
-    url = "https://github.com/bazelbuild/rules_python/releases/download/0.23.1/rules_python-0.23.1.tar.gz",
+    sha256 = "c68bdc4fbec25de5b5493b8819cfc877c4ea299c0dcb15c244c5a00208cde311",
+    strip_prefix = "rules_python-0.31.0",
+    url = "https://github.com/bazelbuild/rules_python/releases/download/0.31.0/rules_python-0.31.0.tar.gz",
 )
 
+load("@rules_python//python:repositories.bzl", "py_repositories")
+
+py_repositories()
+
 load("@rules_python//python:repositories.bzl", "python_register_toolchains")
 load(
     "@org_tensorflow//tensorflow/tools/toolchains/python:python_repo.bzl",
diff --git a/third_party/aws-checksums.BUILD b/third_party/aws-checksums.BUILD
index 3383f223e..9f5bf7bda 100644
--- a/third_party/aws-checksums.BUILD
+++ b/third_party/aws-checksums.BUILD
@@ -24,10 +24,25 @@ cc_library(
     deps = [],
 )
 
+config_setting(
+    name = "ppc_cpu",
+    values = {"cpu": "ppc"},
+)
+
 genrule(
     name = "crc_hw_c",
     outs = ["crc_hw.c"],
-    cmd = "\n".join([
+    cmd = select({
+        "//:ppc_cpu": "\n".join([
+        "cat <<'EOF' >$@",
+        "#include <aws/checksums/private/cpuid.h>",
+        "#include <aws/checksums/private/crc_priv.h>",
+        "uint32_t aws_checksums_crc32c_hw(const uint8_t *input, int length, uint32_t previousCrc32) {",
+        "  return aws_checksums_crc32c_sw(input, length, previousCrc32);",
+        "}",
+        "EOF",
+    ]),
+        "//conditions:default": "\n".join([
         "cat <<'EOF' >$@",
         "#include <aws/checksums/private/cpuid.h>",
         "#include <aws/checksums/private/crc_priv.h>",
@@ -39,4 +54,6 @@ genrule(
         "}",
         "EOF",
     ]),
+   }),
 )
+
diff --git a/third_party/pulsar.BUILD b/third_party/pulsar.BUILD
index a933568cb..af3e0ea6a 100644
--- a/third_party/pulsar.BUILD
+++ b/third_party/pulsar.BUILD
@@ -39,6 +39,9 @@ cc_library(
         "@platforms//cpu:x86_64": [
             "lib/checksum/crc32c_sse42.cc",
         ],
+        "@platforms//cpu:ppc": [
+            "lib/checksum/crc32c_sse42.cc",
+        ],
         "//conditions:default": [],
     }),
     hdrs = [