diff --git a/lib/ulib/.ulibver b/lib/ulib/.ulibver
index 4ba0555..ede2a67 100644
--- a/lib/ulib/.ulibver
+++ b/lib/ulib/.ulibver
@@ -1 +1 @@
-002001000
+002002000
diff --git a/lib/ulib/ulib b/lib/ulib/ulib
index 0651450..4e5b577 100644
--- a/lib/ulib/ulib
+++ b/lib/ulib/ulib
@@ -186,3 +186,9 @@ function ulibver() {
     fi
     return 0
 }
+
+function ulibver_require() {
+    ulibver "$@" && return 0
+    eerror "Ce script nécessite ulib version${1:+" >= $1"}${2:+" < $2"}"
+    return 1
+}