diff --git a/changelogs/fragments/homebrew-cask-at-symbol-fix.yaml b/changelogs/fragments/homebrew-cask-at-symbol-fix.yaml
new file mode 100644
index 0000000000..2b7d51bc52
--- /dev/null
+++ b/changelogs/fragments/homebrew-cask-at-symbol-fix.yaml
@@ -0,0 +1,2 @@
+bugfixes:
+  - homebrew_cask - fixed issue where a cask with ``@`` in the name is incorrectly reported as invalid (https://github.com/ansible-collections/community.general/issues/733).
diff --git a/plugins/modules/packaging/os/homebrew_cask.py b/plugins/modules/packaging/os/homebrew_cask.py
index d254e14ae6..d23fdc56fa 100644
--- a/plugins/modules/packaging/os/homebrew_cask.py
+++ b/plugins/modules/packaging/os/homebrew_cask.py
@@ -186,6 +186,7 @@ class HomebrewCask(object):
         .                   # dots
         /                   # slash (for taps)
         -                   # dashes
+        @                   # at symbol
     '''
 
     INVALID_PATH_REGEX = _create_regex_group(VALID_PATH_CHARS)