diff --git a/AUTHORS b/AUTHORS
index 8b2336b5..ed4eec6d 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -26,6 +26,7 @@ Here is a list of past and present much-appreciated contributors:
     Mark Walling
     Mathias Loesch
     Matthew Hegarty
+    Matthias Dellweg
     Mike Waldner
     Peyman Salehi
     Rabin Nankhwa
diff --git a/pyproject.toml b/pyproject.toml
index 69e34ebe..13195cb3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,6 +43,7 @@ all = [
     "xlwt",
 ]
 cli = ["tabulate"]
+html = []
 ods = ["odfpy"]
 pandas = ["pandas"]
 xls = ["xlrd", "xlwt"]