diff --git a/NEWS b/NEWS
index 1da64fad..618d0320 100644
--- a/NEWS
+++ b/NEWS
@@ -2,7 +2,7 @@
 User visible changes for UPX
 ==================================================================
 
-Changes in 4.0.0 (XX XXX 2020):
+Changes in 4.0.0 (XX XXX 2021):
   * Switch to semantic versioning
   * SECURITY NOTES: emphasize the security context in the docs
   * bug fixes - see https://github.com/upx/upx/milestone/6
diff --git a/src/version.h b/src/version.h
index 5baabbc0..84b349d9 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1,8 +1,8 @@
 #define UPX_VERSION_HEX         0x040000        /* 04.00.00 */
 #define UPX_VERSION_STRING      "4.0.0"
 #define UPX_VERSION_STRING4     "4.00"
-#define UPX_VERSION_DATE        "Jan 24th 2020"
-#define UPX_VERSION_DATE_ISO    "2020-01-24"
-#define UPX_VERSION_YEAR        "2020"
+#define UPX_VERSION_DATE        "Jan 1st 2021"
+#define UPX_VERSION_DATE_ISO    "2021-01-01"
+#define UPX_VERSION_YEAR        "2021"
 
 /* vim:set ts=4 sw=4 et: */