diff --git a/devel/rubygem-aws-sdk-opensearchservice/Makefile b/devel/rubygem-aws-sdk-opensearchservice/Makefile
index e651b5cc5e51..a4c02a5f09ff 100644
--- a/devel/rubygem-aws-sdk-opensearchservice/Makefile
+++ b/devel/rubygem-aws-sdk-opensearchservice/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	aws-sdk-opensearchservice
-PORTVERSION=	1.65.0
+PORTVERSION=	1.66.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
diff --git a/devel/rubygem-aws-sdk-opensearchservice/distinfo b/devel/rubygem-aws-sdk-opensearchservice/distinfo
index 9401d3987d9a..6ff696ea35f9 100644
--- a/devel/rubygem-aws-sdk-opensearchservice/distinfo
+++ b/devel/rubygem-aws-sdk-opensearchservice/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1739963050
-SHA256 (rubygem/aws-sdk-opensearchservice-1.65.0.gem) = 1e6d7febbc18a8a384acb03defcc9da477cbae67fbf54ce01d2469ac74c8cdbe
-SIZE (rubygem/aws-sdk-opensearchservice-1.65.0.gem) = 138240
+TIMESTAMP = 1744289204
+SHA256 (rubygem/aws-sdk-opensearchservice-1.66.0.gem) = 93030c0166041e07b446066684b75300371c41700049054b66f54e55577e5818
+SIZE (rubygem/aws-sdk-opensearchservice-1.66.0.gem) = 138752