diff --git a/gitcrux.theme b/gitcrux.theme
index d3c0157..e83971a 100644
--- a/gitcrux.theme
+++ b/gitcrux.theme
@@ -412,6 +412,11 @@ gitcrux() {
 _lp_gitcrux_theme_activate() {
     _lp_default_theme_activate
 
+    if ! _lp_version_greatereq 2 2 0 ; then
+        _lp_join "." ${_LP_VERSION[@]}
+        printf "WARNING: the GitCrux theme requires Liquid Prompt >= 2.2.0, but you have version $lp_join, some features will not work and the prompt may crash.\n"
+    fi
+
     GITCRUX_ARROW_RIGHT=( ${GITCRUX_ARROW_RIGHT[@]+"${GITCRUX_ARROW_RIGHT[@]}"} )
     [[ ${#GITCRUX_ARROW_RIGHT[@]} == 0 ]] && GITCRUX_ARROW_RIGHT=( "" "" )