diff --git a/.github/scripts/set_release_version.py b/.github/scripts/set_release_version.py
new file mode 100644
index 0000000..980a852
--- /dev/null
+++ b/.github/scripts/set_release_version.py
@@ -0,0 +1,7 @@
+# Obtains a date-based version for the release workflow.
+
+import datetime
+
+now_utc = datetime.datetime.now(datetime.timezone.utc)
+version = now_utc.strftime('%Y.%m%d.%H%M%S')
+print('::set-output name=version::v{}'.format(version))
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..4477dee
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,33 @@
+---
+name: Release
+on:
+  push:
+    branches:
+      - 'master'
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - uses: actions/setup-python@master
+        with:
+          python-version: '3.x'
+      - name: Set Release Version
+        id: set_release_version
+        run: python ./.github/scripts/set_release_version.py
+      - name: Create Archive Release
+        uses: thedoctor0/zip-release@master
+        with:
+          filename: 'emboss.zip'
+          exclusions: '*.git*'
+      - name: Automatic Release Upload
+        id: automatic_release
+        uses: 'marvinpinto/action-automatic-releases@latest'
+        with:
+          repo_token: '${{ secrets.GITHUB_TOKEN }}'
+          automatic_release_tag: ${{ steps.set_release_version.outputs.version }}
+          prerelease: false
+          title: ${{ steps.set_release_version.outputs.version }}
+          files: |
+            emboss.zip
diff --git a/compiler/back_end/cpp/testcode/uint_sizes_test.cc b/compiler/back_end/cpp/testcode/uint_sizes_test.cc
index 3b0cab4..cf8a7dd 100644
--- a/compiler/back_end/cpp/testcode/uint_sizes_test.cc
+++ b/compiler/back_end/cpp/testcode/uint_sizes_test.cc
@@ -360,7 +360,7 @@
 }
 
 TEST(SizesWriter, CanWriteExplicitlySizedEnumSizes) {
-  ::std::uint8_t buffer[sizeof kExplicitlySizedEnumSizes];
+  ::std::uint8_t buffer[sizeof kExplicitlySizedEnumSizes] = {0};
   auto writer = ExplicitlySizedEnumSizesWriter(buffer, sizeof buffer);
   writer.one_byte().Write(ExplicitlySizedEnum::VALUE1);
   writer.two_byte().Write(ExplicitlySizedEnum::VALUE10);
diff --git a/runtime/cpp/emboss_text_util.h b/runtime/cpp/emboss_text_util.h
index 59bdc4e..500d828 100644
--- a/runtime/cpp/emboss_text_util.h
+++ b/runtime/cpp/emboss_text_util.h
@@ -67,7 +67,7 @@
     return result;
   }
 
-  TextOutputOptions WithNumericBase(int new_value) const {
+  TextOutputOptions WithNumericBase(uint8_t new_value) const {
     TextOutputOptions result = *this;
     result.numeric_base_ = new_value;
     return result;