diff --git a/J/Jchemo/Versions.toml b/J/Jchemo/Versions.toml
index a980595eb3abf7d..f4b47463098b5f5 100644
--- a/J/Jchemo/Versions.toml
+++ b/J/Jchemo/Versions.toml
@@ -141,3 +141,6 @@ git-tree-sha1 = "6733a5b6181956a43dfdf10f8f9f7c4faadef732"
 
 ["0.8.3"]
 git-tree-sha1 = "d69e60ec3f055eab466138c8206a574cefd70ba1"
+
+["0.8.4"]
+git-tree-sha1 = "82da87a8c3dfb31ee06464f4c489a93108ce5c47"