diff --git a/science/R-cran-eco/Makefile b/science/R-cran-eco/Makefile
index c792a1d023b9..2967e9718267 100644
--- a/science/R-cran-eco/Makefile
+++ b/science/R-cran-eco/Makefile
@@ -1,13 +1,15 @@
 PORTNAME=	eco
-PORTVERSION=	3.1.6
-PORTREVISION=	11
+PORTVERSION=	4.0.3
 CATEGORIES=	science
+MASTER_SITES=	https://cran.r-project.org/src/contrib/Archive/eco/
 DISTNAME=	${PORTNAME}_${PORTVERSION:C/\./-/g:C/-/./1}
 
 MAINTAINER=	wen@FreeBSD.org
 COMMENT=	R Package for Ecological Inference in 2x2 Tables
 WWW=		https://imai.princeton.edu/software/eco.html
 
+LICENSE=	GPLv2
+
 USES=		cran:auto-plist,compiles
 
 .include <bsd.port.mk>
diff --git a/science/R-cran-eco/distinfo b/science/R-cran-eco/distinfo
index 4fb102830e4d..ad286ffeb822 100644
--- a/science/R-cran-eco/distinfo
+++ b/science/R-cran-eco/distinfo
@@ -1,2 +1,3 @@
-SHA256 (eco_3.1-6.tar.gz) = 424a15aea3f92b1fce3b96e041bcf31e61e1a2c2b3af378901b8d8ca7c08475c
-SIZE (eco_3.1-6.tar.gz) = 153383
+TIMESTAMP = 1684532790
+SHA256 (eco_4.0-3.tar.gz) = 0a70fec84ed49aa30f34510493c4586dd0fcb7b05b7ab87c379324ed570f4c19
+SIZE (eco_4.0-3.tar.gz) = 176181