diff --git a/SetupBuildEnvironment.sh b/SetupBuildEnvironment.sh
index 54c3045..a6114fd 100755
--- a/SetupBuildEnvironment.sh
+++ b/SetupBuildEnvironment.sh
@@ -277,20 +277,57 @@ ensure_sdk_packages() {
 }
 
 maybe_build() {
-  if [ "${1:-}" != "--build" ]; then
-    return
-  fi
+  local mode="${1:-}"
+  local gradle_task=""
+  local artifact_label=""
+
+  case "$mode" in
+    --build)
+      gradle_task="assembleDebug"
+      artifact_label="debug APK"
+      ;;
+    --build-aab)
+      gradle_task="bundleDebug"
+      artifact_label="debug AAB"
+      ;;
+    *)
+      return
+      ;;
+  esac
 
   setup_env
   bump_android_version
-  log "Building debug APK with --no-daemon"
-  "$PROJECT_DIR/gradlew" --no-daemon assembleDebug
+  log "Building $artifact_label with --no-daemon"
+  "$PROJECT_DIR/gradlew" --no-daemon "$gradle_task"
   auto_commit_if_needed
   log "Stopping any Gradle daemons just in case"
   "$PROJECT_DIR/gradlew" --stop >/dev/null 2>&1 || true
 }
 
+print_usage() {
+  cat <<EOF_USAGE
+Usage: bash ./SetupBuildEnvironment.sh [--build | --build-aab]
+
+  --build      Setup the environment and build the debug APK
+  --build-aab  Setup the environment and build the debug Android App Bundle (AAB)
+EOF_USAGE
+}
+
+validate_args() {
+  case "${1:-}" in
+    ""|--build|--build-aab)
+      ;;
+    *)
+      echo "Unknown argument: $1" >&2
+      print_usage >&2
+      exit 1
+      ;;
+  esac
+}
+
 main() {
+  validate_args "${1:-}"
+
   require_tool curl
   require_tool unzip
   require_tool tar
@@ -320,6 +357,7 @@ main() {
   log "To cross-compile Git for Android arm64-v8a: bash ./CrossCompileGitForAndroid.sh"
   log "To build without a background Gradle daemon: ./gradlew --no-daemon assembleDebug"
   log "To setup and build in one step: bash ./SetupBuildEnvironment.sh --build"
+  log "To setup and build a debug AAB in one step: bash ./SetupBuildEnvironment.sh --build-aab"
 }
 
 main "$@"
\ No newline at end of file
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 76067e0..831f4d4 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -11,8 +11,8 @@ android {
         applicationId = "solutions.tretter.githugandroid"
         minSdk = 26
         targetSdk = 34
-        versionCode = 80
-        versionName = "0.1.79"
+        versionCode = 81
+        versionName = "0.1.80"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true