diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 383be77f..1ccb1b9a 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -6,7 +6,7 @@ junit = "5.10.2"
 autoservice = "1.1.1"
 
 # otel protocol (OTLP)
-opentelemetryProto = "1.2.0-alpha"
+opentelemetryProto = "1.3.1-alpha"
 
 # otel agent, we rely on the '*-alpha' and get the non-alpha dependencies transitively
 # updated from upstream agent with .ci/update-upstream.sh