diff --git a/ChangeLog.md b/ChangeLog.md
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@@ -2,6 +2,13 @@
 
 # ChangeLog
 
+<a id="x-28PROJECT-DOCS-2FCHANGELOG-3A-3A-7C1-2E1-2E1-7C-2040ANTS-DOC-2FLOCATIVES-3ASECTION-29"></a>
+
+## 1.1.1 (2021-09-12)
+
+Version of qlot was fixed on 0.11.1, because later versions are broken and unable to install
+systems from the GitHub. See issue [#118][2ffd].
+
 <a id="x-28PROJECT-DOCS-2FCHANGELOG-3A-3A-7C1-2E1-2E0-7C-2040ANTS-DOC-2FLOCATIVES-3ASECTION-29"></a>
 
 ## 1.1.0 (2021-06-06)
@@ -28,6 +35,7 @@ Fixed error when there is no `qlfile` in the repository.
 Initial version.
 
 
+[2ffd]: https://github.com/fukamachi/qlot/issues/118
 
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