diff --git a/web/themes/ogs/theme.toml b/web/themes/ogs/theme.toml
index d04a785b428268514c2295483df7822750528d6a..e404de355920ed5b81cc7778f64d7776917af954 100644
--- a/web/themes/ogs/theme.toml
+++ b/web/themes/ogs/theme.toml
@@ -8,7 +8,7 @@ description = ""
 homepage = "http://opengeosys.org/"
 tags = ["", ""]
 features = ["", ""]
-min_version = 0.18
+min_version = 0.17
 
 [author]
   name = "Lars Bilke"