diff --git a/devel/opentelemetry-proto/Makefile b/devel/opentelemetry-proto/Makefile
--- a/devel/opentelemetry-proto/Makefile
+++ b/devel/opentelemetry-proto/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	opentelemetry
-PORTVERSION=	1.8.0
+PORTVERSION=	1.9.0
 DISTVERSIONPREFIX=	v
 CATEGORIES=	devel
 PKGNAMESUFFIX=	-proto
diff --git a/devel/opentelemetry-proto/distinfo b/devel/opentelemetry-proto/distinfo
--- a/devel/opentelemetry-proto/distinfo
+++ b/devel/opentelemetry-proto/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1759831768
-SHA256 (open-telemetry-opentelemetry-proto-v1.8.0_GH0.tar.gz) = 057812cab50122c0fd504aae57b0b58424a5ec05d1b07889814bdfc7699abbe7
-SIZE (open-telemetry-opentelemetry-proto-v1.8.0_GH0.tar.gz) = 119085
+TIMESTAMP = 1762962577
+SHA256 (open-telemetry-opentelemetry-proto-v1.9.0_GH0.tar.gz) = 2d2220db196bdfd0aec872b75a5e614458f8396557fc718b28017e1a08db49e4
+SIZE (open-telemetry-opentelemetry-proto-v1.9.0_GH0.tar.gz) = 119325