diff --git a/.sites.config.example.yml b/.sites.config.example.yml
index 558eb8f..057d131 100644
--- a/.sites.config.example.yml
+++ b/.sites.config.example.yml
@@ -2,6 +2,7 @@
 default:
   database_s3_bucket: S3_BUCKET_NAME
   database_s3_key_prefix_string: prod-db-prefix
+  drupal_user_login_uid: 108
   theme_build:
     - theme_path: web/themes/custom/theme1
       theme_build_commands:
diff --git a/src/Robo/Plugin/Commands/DevelopmentModeBaseCommands.php b/src/Robo/Plugin/Commands/DevelopmentModeBaseCommands.php
index 0aab100..37f34d8 100644
--- a/src/Robo/Plugin/Commands/DevelopmentModeBaseCommands.php
+++ b/src/Robo/Plugin/Commands/DevelopmentModeBaseCommands.php
@@ -192,10 +192,12 @@ public function drupalLoginLink(
         string $siteDir = 'default',
     ): Result {
         $this->io()->section("create login link.");
+        $uid = $this->getDrupalSiteAdminUid(siteName: $siteDir);
         return $this->taskExec($environmentType)
             ->arg('drush')
             ->arg("@$siteDir.$environmentType")
             ->arg('user:login')
+            ->option("--uid=$uid")
             ->dir("$this->drupalRoot/sites/$siteDir")
             ->run();
     }
diff --git a/src/Robo/Plugin/Traits/SitesConfigTrait.php b/src/Robo/Plugin/Traits/SitesConfigTrait.php
index 22f16bb..be0210c 100644
--- a/src/Robo/Plugin/Traits/SitesConfigTrait.php
+++ b/src/Robo/Plugin/Traits/SitesConfigTrait.php
@@ -78,12 +78,17 @@ protected function getSiteConfig(string $siteName = 'default'): array
      *   The site configuration key to load.
      * @param string $siteName
      *   The site name.
+     * @param bool $required
+     *   Whether the config item is expected to always be present.
      */
-    public function getSiteConfigItem(string $key, string $siteName = 'default'): mixed
+    public function getSiteConfigItem(string $key, string $siteName = 'default', bool $required = true): mixed
     {
         $siteConfig = $this->getSiteConfig(siteName: $siteName);
         if (!isset($siteConfig[$key])) {
-            throw new TaskException($this, "Key $key not found for '$siteName' in $this->sitesConfigFile.");
+            if ($required) {
+                throw new TaskException($this, "Key $key not found for '$siteName' in $this->sitesConfigFile.");
+            }
+            return null;
         }
         return $siteConfig[$key];
     }
@@ -99,4 +104,24 @@ protected function writeSitesConfig(array $sitesConfig): void
         ksort($sitesConfig);
         file_put_contents($this->sitesConfigFile, Yaml::dump($sitesConfig));
     }
+
+    /**
+     * Get the Drupal site admin user ID.
+     *
+     * @param string $siteName
+     *   The site name.
+     *
+     * @return int
+     *   The Drupal admin user ID.
+     */
+    protected function getDrupalSiteAdminUid(string $siteName = 'default'): int
+    {
+        return $this->getSiteConfigItem(
+            key: 'drupal_user_login_uid',
+            siteName: $siteName,
+            required: false,
+            // @todo: Replace the use of '1' with a constant once we drop PHP
+            // 8.1 support.
+        ) ?? 1;
+    }
 }