diff --git a/modules/nanopb/0.4.9.1/MODULE.bazel b/modules/nanopb/0.4.9.1/MODULE.bazel
new file mode 100644
index 00000000000..91487eef98f
--- /dev/null
+++ b/modules/nanopb/0.4.9.1/MODULE.bazel
@@ -0,0 +1,28 @@
+module(
+    name = "nanopb",
+    version = "0.4.9.1",
+)
+
+bazel_dep(name = "bazel_skylib", version = "1.7.1")
+bazel_dep(name = "rules_cc", version = "0.0.10")
+bazel_dep(name = "rules_python", version = "0.35.0")
+bazel_dep(name = "rules_proto", version = "6.0.2")
+bazel_dep(name = "protobuf", version = "28.2")
+bazel_dep(name = "rules_proto_grpc", version = "5.0.0")
+
+pip = use_extension("@rules_python//python/extensions:pip.bzl", "pip")
+
+python = use_extension("@rules_python//python/extensions:python.bzl", "python")
+
+PYTHON_VERSION = "3.11"
+
+# No need for this since rules_python already creates our version.
+# python.toolchain(python_version = PYTHON_VERSION)
+use_repo(python, "python_versions")
+
+use_repo(pip, "nanopb_pypi")
+pip.parse(
+    hub_name = "nanopb_pypi",
+    python_version = PYTHON_VERSION,
+    requirements_lock = "@nanopb//:extra/requirements_lock.txt",
+)
diff --git a/modules/nanopb/0.4.9.1/patches/bazel.patch b/modules/nanopb/0.4.9.1/patches/bazel.patch
new file mode 100644
index 00000000000..3e17a806ba9
--- /dev/null
+++ b/modules/nanopb/0.4.9.1/patches/bazel.patch
@@ -0,0 +1,12 @@
+diff --git a/MODULE.bazel b/MODULE.bazel
+index 8aaa68e..91487ee 100644
+--- a/MODULE.bazel
++++ b/MODULE.bazel
+@@ -1,6 +1,6 @@
+ module(
+     name = "nanopb",
+-    version = "0.4.9",
++    version = "0.4.9.1",
+ )
+ 
+ bazel_dep(name = "bazel_skylib", version = "1.7.1")
diff --git a/modules/nanopb/0.4.9.1/presubmit.yml b/modules/nanopb/0.4.9.1/presubmit.yml
new file mode 100644
index 00000000000..a6948214556
--- /dev/null
+++ b/modules/nanopb/0.4.9.1/presubmit.yml
@@ -0,0 +1,17 @@
+matrix:
+  platform:
+  - debian10
+  - ubuntu2004
+  - macos
+  - macos_arm64
+  - windows
+  bazel:
+  - 7.x
+tasks:
+  verify_targets:
+    name: Verify build targets
+    platform: ${{ platform }}
+    bazel: ${{ bazel }}
+    build_targets:
+    - '@nanopb'
+    - '@nanopb//:protoc-gen-nanopb'
diff --git a/modules/nanopb/0.4.9.1/source.json b/modules/nanopb/0.4.9.1/source.json
new file mode 100644
index 00000000000..801bee68697
--- /dev/null
+++ b/modules/nanopb/0.4.9.1/source.json
@@ -0,0 +1,9 @@
+{
+    "url": "https://jpa.kapsi.fi/nanopb/download/nanopb-0.4.9.1.tar.gz",
+    "integrity": "sha256-iCzYRzrZMrJHh+Z2qAjk+ynBLghtILy/usxmwYMJS1w=",
+    "strip_prefix": "nanopb",
+    "patches": {
+        "bazel.patch": "sha256-ViUhBWdXZjM6SEG48qVxDtgilCXPqtLLgDfHu+2rykk="
+    },
+    "patch_strip": 1
+}
diff --git a/modules/nanopb/metadata.json b/modules/nanopb/metadata.json
index 4778a5da52e..71639bc4e86 100644
--- a/modules/nanopb/metadata.json
+++ b/modules/nanopb/metadata.json
@@ -16,7 +16,8 @@
         "https://jpa.kapsi.fi/nanopb"
     ],
     "versions": [
-        "0.4.9"
+        "0.4.9",
+        "0.4.9.1"
     ],
     "yanked_versions": {}
 }