diff --git a/app/Rules/ValidGitRepositoryUrl.php b/app/Rules/ValidGitRepositoryUrl.php
index 21509d65a..ba1aed11b 100644
--- a/app/Rules/ValidGitRepositoryUrl.php
+++ b/app/Rules/ValidGitRepositoryUrl.php
@@ -142,8 +142,8 @@ public function validate(string $attribute, mixed $value, Closure $fail): void
                 return;
             }
         } elseif (str_starts_with($value, 'git://')) {
-            // Validate git:// protocol URL
-            if (! preg_match('/^git:\/\/[a-zA-Z0-9\.\-]+\/[a-zA-Z0-9\-_\/\.]+$/', $value)) {
+            // Validate git:// protocol URL (supports both git://host/path and git://host:port/path with tilde)
+            if (! preg_match('/^git:\/\/[a-zA-Z0-9\.\-]+(:[0-9]+)?[:\/][a-zA-Z0-9\-_\/\.~]+$/', $value)) {
                 $fail('The :attribute is not a valid git:// URL.');
 
                 return;
diff --git a/tests/Unit/ValidGitRepositoryUrlTest.php b/tests/Unit/ValidGitRepositoryUrlTest.php
index 12eb419f2..da467dc4d 100644
--- a/tests/Unit/ValidGitRepositoryUrlTest.php
+++ b/tests/Unit/ValidGitRepositoryUrlTest.php
@@ -136,6 +136,7 @@
     $validUrls = [
         'git://github.com/user/repo.git',
         'git://gitlab.com/user/repo.git',
+        'git://git.sr.ht:~user/repo.git',
     ];
 
     foreach ($validUrls as $url) {