diff --git a/man/img2webp.1 b/man/img2webp.1
index 892023c8..5b28cede 100644
--- a/man/img2webp.1
+++ b/man/img2webp.1
@@ -1,5 +1,5 @@
 .\"                                      Hey, EMACS: -*- nroff -*-
-.TH IMG2WEBP 1 "November 17, 2021"
+.TH IMG2WEBP 1 "January 5, 2022"
 .SH NAME
 img2webp \- create animated WebP file from a sequence of input images.
 .SH SYNOPSIS