diff --git a/scripts/arty.sh b/scripts/arty.sh
index c2f62616..579e2342 100755
--- a/scripts/arty.sh
+++ b/scripts/arty.sh
@@ -163,6 +163,11 @@ load_env_vars() {
   fi
 }
 
+# Wrapper to limit Go thread usage on hosts with low ulimit -u (e.g. IONOS shared hosting)
+yq() {
+  GOMAXPROCS=1 GOGC=off command yq "$@"
+}
+
 # Check if yq is installed
 check_yq() {
   if ! command -v yq &>/dev/null; then