diff --git a/CHANGELOG.md b/CHANGELOG.md
index 430c5c84f4..241dce4870 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -70,10 +70,10 @@ A brief description of the categories of changes:
   with `extra_pip_args = ["--platform=manylinux_2_4_x86_64"]`, that was an
   invalid usage previously but we were not failing the build. From now on this
   is explicitly disallowed.
+* (toolchains) Added riscv64 platform definition for python toolchains.
 
 [precompile-docs]: /precompiling
 
-
 ## [0.32.2] - 2024-05-14
 
 [0.32.2]: https://github.com/bazelbuild/rules_python/releases/tag/0.32.2
diff --git a/python/versions.bzl b/python/versions.bzl
index b4c837ee8f..08882d3ade 100644
--- a/python/versions.bzl
+++ b/python/versions.bzl
@@ -536,6 +536,14 @@ PLATFORMS = {
         # repository_ctx.execute(["uname", "-m"]).stdout.strip()
         arch = "ppc64le",
     ),
+    "riscv64-unknown-linux-gnu": struct(
+        compatible_with = [
+            "@platforms//os:linux",
+            "@platforms//cpu:riscv64",
+        ],
+        os_name = LINUX_NAME,
+        arch = "riscv64",
+    ),
     "s390x-unknown-linux-gnu": struct(
         compatible_with = [
             "@platforms//os:linux",