diff --git a/tools/workspace/meshcat/repository.bzl b/tools/workspace/meshcat/repository.bzl
index a46f3c5fd365..e31e8838660e 100644
--- a/tools/workspace/meshcat/repository.bzl
+++ b/tools/workspace/meshcat/repository.bzl
@@ -9,8 +9,8 @@ def meshcat_repository(
     github_archive(
         name = name,
         repository = "rdeits/meshcat",
-        commit = "2b516ed00b36bf71c00e000c5be73c840fb97333",
-        sha256 = "87b4f285a05a7dde34fc5b1ee58fd046b15524972d7fdc298d581382f668e78f",  # noqa
+        commit = "7bd957ac09609d1195a4be07307cc6cdf90db3e8",
+        sha256 = "64f05e353dd670b1b868317464f10a11677d5adac8759c83b042ebe52ea48b5f",  # noqa
         build_file = "@drake//tools/workspace/meshcat:package.BUILD.bazel",  # noqa
         mirrors = mirrors,
     )
diff --git a/tools/workspace/meshcat_python/repository.bzl b/tools/workspace/meshcat_python/repository.bzl
index dca2832a5626..837432139691 100644
--- a/tools/workspace/meshcat_python/repository.bzl
+++ b/tools/workspace/meshcat_python/repository.bzl
@@ -42,9 +42,9 @@ def _impl(repository_ctx):
     github_download_and_extract(
         repository_ctx,
         "rdeits/meshcat-python",
-        "549171bcf11ee422904fcf4858e231a354191eae",
+        "83cf73bcd553b0214c6bd2f9de3ae85e0f5c492e",
         repository_ctx.attr.mirrors,
-        sha256 = "8fb0e755d0afa070b62ffbecbd424abe1f5bcfecf8b9e30502218f338999a5e6",  # noqa
+        sha256 = "bcdd53b595ff45cf3bc16de0cba9c52e239de8503aabc0c313df16a4f9fabeae",  # noqa
     )
 
     repository_ctx.symlink(