diff --git a/changelog.md b/changelog.md
index 71debf8..2aa35bb 100644
--- a/changelog.md
+++ b/changelog.md
@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+# [1.6.0] - 2024-04-10
+* Added - The `slic update-dump` command to update a dump file for the current project, with an optional WordPress version update, e.g. `slic update-dump tests/_data/dump.sql latest`. 
+
 # [1.5.4] - 2024-04-08
 * Change - Disable WordPress's automatic updating in slic containers via docker compose `WORDPRESS_CONFIG_EXTRA` defines. See comments in `.env.slic` to customize this behavior.
 
diff --git a/includes/polyfills.php b/includes/polyfills.php
new file mode 100644
index 0000000..2215418
--- /dev/null
+++ b/includes/polyfills.php
@@ -0,0 +1,8 @@
+<?php
+
+// PHP8 str_starts_with() polyfill.
+if ( ! function_exists( 'str_starts_with' ) ) {
+	function str_starts_with( string $haystack, string $needle ): bool {
+		return 0 === strncmp( $haystack, $needle, strlen( $needle ) );
+	}
+}
diff --git a/slic.php b/slic.php
index 622b0ba..fe057b4 100644
--- a/slic.php
+++ b/slic.php
@@ -1,5 +1,6 @@
 <?php
 // Requires the function files we might need.
+require_once __DIR__ . '/includes/polyfills.php';
 require_once __DIR__ . '/src/classes/Cache.php';
 require_once __DIR__ . '/src/cache.php';
 require_once __DIR__ . '/src/utils.php';
@@ -33,7 +34,7 @@
 ] );
 
 $cli_name = 'slic';
-const CLI_VERSION = '1.5.4';
+const CLI_VERSION = '1.6.0';
 
 // If the run-time option `-q`, for "quiet", is specified, then do not print the header.
 if ( in_array( '-q', $argv, true ) || ( in_array( 'exec', $argv, true ) && ! in_array( 'help', $argv, true ) ) ) {
@@ -112,6 +113,7 @@
   <light_cyan>up</light_cyan>             Starts containers in the stack; alias of `start`.
   <light_cyan>update</light_cyan>         Updates the tool and the images used in its services.
   <light_cyan>upgrade</light_cyan>        Upgrades the {$cli_name} repo.
+  <light_cyan>update-dump</light_cyan>    Updates a SQL dump file. Optionally, installs a specific WordPress version..       
 HELP;
 
 $help_message          = colorize( $help_message_template );
diff --git a/src/commands/logs.php b/src/commands/logs.php
index 1f14b3f..a382fb1 100644
--- a/src/commands/logs.php
+++ b/src/commands/logs.php
@@ -1,13 +1,13 @@
 <?php
+
+namespace StellarWP\Slic;
+
 /**
  * Opens and follows the stack logs.
  *
  * @var bool   $is_help  Whether we're handling an `help` request on this command or not.
  * @var string $cli_name The current name of the `slic` CLI application.
  */
-
-namespace StellarWP\Slic;
-
 if ( $is_help ) {
 	$help = <<< HELP
 	SUMMARY:
@@ -16,7 +16,7 @@
 
 	USAGE:
 
-		<yellow>{$cli_name} logs</yell>
+		<yellow>$cli_name logs</yellow>
 	HELP;
 
 	echo colorize( $help );
diff --git a/src/commands/update-dump.php b/src/commands/update-dump.php
new file mode 100644
index 0000000..d494361
--- /dev/null
+++ b/src/commands/update-dump.php
@@ -0,0 +1,111 @@
+<?php
+
+namespace StellarWP\Slic;
+
+/**
+ * Updates a SQL dump file. Optionally, installs a specific WordPress version.
+ *
+ * @var bool     $is_help    Whether we're handling an `help` request on this command or not.
+ * @var string   $subcommand This command.
+ * @var callable $args       The argument map closure, as produced by the `args` function.
+ * @var string   $cli_name   The current name of the `slic` CLI application.
+ */
+if ( $is_help ) {
+	$help = <<< HELP
+	SUMMARY:
+
+		Updates a SQL dump file. Optionally, installs a specific WordPress version.
+
+	USAGE:
+
+		<yellow>$cli_name $subcommand <file> [<wp_version>]</yellow>
+
+	EXAMPLES:
+
+		<light_cyan>$cli_name $subcommand tests/_data/dump.sql</light_cyan>
+		Update the dump file using slic's currently installed version of WordPress.
+		
+		<light_cyan>$cli_name $subcommand tests/_data/dump.sql latest</light_cyan>
+		Update the WordPress version to the latest and update the dump file.
+
+		<light_cyan>$cli_name $subcommand tests/_data/dump.sql 6.4.3</light_cyan>
+		Update the WordPress version to 6.4.3 and update the dump file.
+	HELP;
+
+	echo colorize( $help );
+
+	return;
+}
+
+// Confirm a target has been set or show an error.
+slic_target( false );
+
+// Extract the arguments.
+$command = $args( '...' );
+$file    = trim( $command[0] );
+$version = trim( $command[1] ?? '' );
+
+// Build the path inside the slic container.
+$container_path = remove_double_separators( trailingslashit( get_project_container_path() ) . $file );
+
+// Run core update if a version was provided, otherwise run core update-db.
+if ( $version ) {
+	$update_command = cli_command( [
+		'core',
+		'update',
+		'--force',
+		sprintf( '--version=%s', $version ),
+	], true );
+} else {
+	$update_command = cli_command( [
+		'core',
+		'update-db',
+	], true );
+}
+
+$commands = [
+	cli_command( [
+		'cli',
+		'cache',
+		'clear',
+	] ),
+	$update_command,
+	cli_command( [
+		'db',
+		'reset',
+		'--yes',
+	] ),
+	cli_command( [
+		'core',
+		'version',
+		'--extra',
+	], true ),
+	cli_command( [
+		'db',
+		'export',
+		'--add-drop-table',
+		$container_path,
+	] ),
+];
+
+// Execute the command chain.
+foreach ( $commands as $arguments ) {
+	$result = slic_passive()( $arguments );
+
+	// 0 is success on command line.
+	if ( $result === 0 ) {
+		continue;
+	}
+
+	echo magenta( sprintf( 'Error: Command Failed: %s', implode( ' ', $arguments ) ) );
+	exit ( 1 );
+}
+
+ensure_wordpress_installed();
+
+echo green( sprintf(
+	"Success: Exported to host path '%s'.",
+	remove_double_separators( trailingslashit( get_project_local_path() ) . $file )
+) );
+
+exit( 0 );
diff --git a/src/utils.php b/src/utils.php
index ce7d53d..56919d6 100644
--- a/src/utils.php
+++ b/src/utils.php
@@ -645,3 +645,38 @@ function ensure_dir( $dir ) {
 
 	return realpath( $dir );
 }
+
+/**
+ * Removes trailing directory separators.
+ *
+ * @param string $path The directory path.
+ *
+ * @return string
+ */
+function untrailingslashit( $path ) {
+	return rtrim( $path, DIRECTORY_SEPARATOR );
+}
+
+/**
+ * Appends a directory separator.
+ *
+ * @param string $path The directory path.
+ *
+ * @return string
+ */
+function trailingslashit( $path ) {
+	return untrailingslashit( $path ) . DIRECTORY_SEPARATOR;
+}
+
+/**
+ * Remove any double directory separators.
+ *
+ * @example /my-project//tests > /my-project/tests
+ *
+ * @param string $path The directory path.
+ *
+ * @return string
+ */
+function remove_double_separators( $path ) {
+	return str_replace( sprintf( '%s%s', DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR ), DIRECTORY_SEPARATOR, $path );
+}