diff --git a/modules/rules_flex/0.3/MODULE.bazel b/modules/rules_flex/0.3/MODULE.bazel
new file mode 100644
index 00000000000..67c1db65d6d
--- /dev/null
+++ b/modules/rules_flex/0.3/MODULE.bazel
@@ -0,0 +1,45 @@
+module(
+    name = "rules_flex",
+    version = "0.3",
+    compatibility_level = 1,
+)
+
+bazel_dep(name = "rules_m4", version = "0.2.3")
+
+bazel_dep(
+    name = "googletest",
+    version = "1.12.1",
+    dev_dependency = True,
+    repo_name = "com_google_googletest",
+)
+bazel_dep(
+    name = "bazel_skylib",
+    version = "1.2.1",
+    dev_dependency = True,
+)
+bazel_dep(
+    name = "stardoc",
+    version = "0.5.3",
+    dev_dependency = True,
+    repo_name = "io_bazel_stardoc",
+)
+
+default_toolchain = use_extension(
+    "//flex/internal:default_toolchain_ext.bzl",
+    "default_toolchain_ext",
+)
+use_repo(default_toolchain, "flex")
+
+register_toolchains("@flex//:toolchain")
+
+testutil = use_extension(
+    "//flex/internal:testutil_ext.bzl",
+    "rules_flex_testutil_ext",
+    dev_dependency = True,
+)
+use_repo(testutil, "rules_flex_testutil")
+
+register_toolchains(
+    "@rules_flex_testutil//toolchains:all",
+    dev_dependency = True,
+)
diff --git a/modules/rules_flex/0.3/presubmit.yml b/modules/rules_flex/0.3/presubmit.yml
new file mode 100644
index 00000000000..2206e59bdf7
--- /dev/null
+++ b/modules/rules_flex/0.3/presubmit.yml
@@ -0,0 +1,15 @@
+matrix:
+  bazel: ["6.x", "7.x"]
+  platform:
+  - centos7
+  - debian10
+  - ubuntu2004
+  - macos
+tasks:
+  verify_targets:
+    name: Verify build targets
+    platform: ${{ platform }}
+    bazel: ${{ bazel }}
+    build_targets:
+    - '@rules_flex//tests:hello_c'
+    - '@rules_flex//tests:genrule_flex_cc'
diff --git a/modules/rules_flex/0.3/source.json b/modules/rules_flex/0.3/source.json
new file mode 100644
index 00000000000..bb146443792
--- /dev/null
+++ b/modules/rules_flex/0.3/source.json
@@ -0,0 +1,4 @@
+{
+    "url": "https://github.com/jmillikin/rules_flex/releases/download/v0.3/rules_flex-v0.3.tar.xz",
+    "integrity": "sha256-mTk4c9ShvORIU/HPDEijRkBYPO49BvLT1DnhL7FSkDY="
+}
diff --git a/modules/rules_flex/metadata.json b/modules/rules_flex/metadata.json
index bce20cfc99a..607770727ab 100644
--- a/modules/rules_flex/metadata.json
+++ b/modules/rules_flex/metadata.json
@@ -2,16 +2,17 @@
     "homepage": "https://github.com/jmillikin/rules_flex",
     "maintainers": [
         {
+            "name": "John Millikin",
             "email": "john@john-millikin.com",
-            "github": "jmillikin",
-            "name": "John Millikin"
+            "github": "jmillikin"
         }
     ],
     "repository": [
         "github:jmillikin/rules_flex"
     ],
     "versions": [
-        "0.2.1"
+        "0.2.1",
+        "0.3"
     ],
     "yanked_versions": {}
 }