diff --git a/lang/gprolog/Makefile b/lang/gprolog/Makefile
index 75d855b945f8..d8383f1d1abb 100644
--- a/lang/gprolog/Makefile
+++ b/lang/gprolog/Makefile
@@ -6,7 +6,7 @@
 #
 
 PORTNAME=	gprolog
-PORTVERSION=	1.3.0
+PORTVERSION=	1.3.1
 CATEGORIES=	lang
 MASTER_SITES=	http://www.gprolog.org/
 
diff --git a/lang/gprolog/distinfo b/lang/gprolog/distinfo
index 8e583d19bc7f..0deed42cf3ff 100644
--- a/lang/gprolog/distinfo
+++ b/lang/gprolog/distinfo
@@ -1,3 +1,3 @@
-MD5 (gprolog-1.3.0.tar.gz) = 950736db26248f6ed942191ec6c441e9
-SHA256 (gprolog-1.3.0.tar.gz) = 1aca625e06d4cf05f9d6049e33f7a87afff98995670faf8bc3dfd1768244d3a7
-SIZE (gprolog-1.3.0.tar.gz) = 3016665
+MD5 (gprolog-1.3.1.tar.gz) = cbae19c31e17bcfca4b57fe35ec4aba2
+SHA256 (gprolog-1.3.1.tar.gz) = 3c33159b9d234647a06e78870c14a0518d6a2a5f85db906360777feb3d98c316
+SIZE (gprolog-1.3.1.tar.gz) = 2949369