diff --git a/manifest.toml b/manifest.toml
index 3d68d44..9543fe7 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -5,7 +5,7 @@ name = "HedgeDoc"
 description.en = "Collaborative editor to work on notes written in Markdown"
 description.fr = "Éditeur collaboratif pour travailler sur des notes en Markdown"
 
-version = "1.10.0~ynh1"
+version = "1.9.9~ynh1"
 
 maintainers = []
 
@@ -49,8 +49,8 @@ ram.runtime = "50M"
     [resources.sources]
 
         [resources.sources.main]
-        url = "https://github.com/hedgedoc/hedgedoc/releases/download/1.10.0/hedgedoc-1.10.0.tar.gz"
-        sha256 = "c0024ff8b7d5483d5115af3a8981ad8a2c6237fc2d63893219f1e6ce3079938e"
+        url = "https://github.com/hedgedoc/hedgedoc/releases/download/1.9.9/hedgedoc-1.9.9.tar.gz"
+        sha256 = "1769d30e60458040475a6d74f53952101962c40c390765e19e6ff6f3fe70c008"
         autoupdate.strategy = "latest_github_tag"
 
     [resources.ports]