diff --git a/math/R-cran-sandwich/Makefile b/math/R-cran-sandwich/Makefile
index f79ef92aed1c..61bdd7548b61 100644
--- a/math/R-cran-sandwich/Makefile
+++ b/math/R-cran-sandwich/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	sandwich
-DISTVERSION=	3.1-0
+DISTVERSION=	3.1-1
 CATEGORIES=	math
 DISTNAME=	${PORTNAME}_${DISTVERSION}
 
diff --git a/math/R-cran-sandwich/distinfo b/math/R-cran-sandwich/distinfo
index 06787f1f69c6..1f642ca6059f 100644
--- a/math/R-cran-sandwich/distinfo
+++ b/math/R-cran-sandwich/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1702466805
-SHA256 (sandwich_3.1-0.tar.gz) = 96b0e105ee50391a1fd286e9556ba6669f08565fa30788b1a21bc861b0a023fa
-SIZE (sandwich_3.1-0.tar.gz) = 1401761
+TIMESTAMP = 1726981386
+SHA256 (sandwich_3.1-1.tar.gz) = ece51efa4283a98b3b4b4b9317fce4928b227942115dd84452b481fd6e9d9119
+SIZE (sandwich_3.1-1.tar.gz) = 1393080