diff --git a/DESCRIPTION b/DESCRIPTION
index 400a237a..a8e12f1a 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,5 +1,5 @@
 Package: mirt
-Version: 1.43
+Version: 1.43.1
 Type: Package
 Title: Multidimensional Item Response Theory
 Authors@R: c( person("Phil", family="Chalmers", email =
@@ -29,7 +29,7 @@ Description: Analysis of discrete response data using
 VignetteBuilder: knitr
 Depends:
     stats,
-    R (>= 3.6.0),
+    R (>= 4.1.0),
     stats4,
     lattice,
     methods