diff --git a/devel/rubygem-aws-sdk-guardduty/Makefile b/devel/rubygem-aws-sdk-guardduty/Makefile
index 9e5ff00915d98..54192062718f5 100644
--- a/devel/rubygem-aws-sdk-guardduty/Makefile
+++ b/devel/rubygem-aws-sdk-guardduty/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	aws-sdk-guardduty
-PORTVERSION=	1.87.0
+PORTVERSION=	1.88.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
diff --git a/devel/rubygem-aws-sdk-guardduty/distinfo b/devel/rubygem-aws-sdk-guardduty/distinfo
index f39ce39d7f287..351dea0374c4e 100644
--- a/devel/rubygem-aws-sdk-guardduty/distinfo
+++ b/devel/rubygem-aws-sdk-guardduty/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1708449898
-SHA256 (rubygem/aws-sdk-guardduty-1.87.0.gem) = f52a8f7264c589cba55b3302b247db89b72a0842e5dcfade66ebbac67a3ee9db
-SIZE (rubygem/aws-sdk-guardduty-1.87.0.gem) = 115712
+TIMESTAMP = 1710712628
+SHA256 (rubygem/aws-sdk-guardduty-1.88.0.gem) = 257fa94569552caaf0fe69dbf819bbc1d12ef3ae143376591fdf9a4447281068
+SIZE (rubygem/aws-sdk-guardduty-1.88.0.gem) = 116736