diff --git a/DESCRIPTION b/DESCRIPTION
index 1505acc..b033341 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -12,7 +12,7 @@ License: GPL (>= 2)
 Depends:
     R (>= 3.6.0)
 Imports: 
-    checkmate,
+    checkmate (>= 2.2.0),
     farff,
     Rcpp (>= 1.0.5),
     RcppParallel,