diff --git a/build.sbt b/build.sbt
index f3e863388..a1a270935 100644
--- a/build.sbt
+++ b/build.sbt
@@ -89,7 +89,7 @@ val OpenTelemetryVersion = "1.45.0"
 val OpenTelemetryInstrumentationVersion = "2.11.0"
 val OpenTelemetryInstrumentationAlphaVersion = "2.10.0-alpha"
 val OpenTelemetrySemConvVersion = "1.29.0-alpha"
-val OpenTelemetryProtoVersion = "1.4.0-alpha"
+val OpenTelemetryProtoVersion = "1.5.0-alpha"
 val PekkoStreamVersion = "1.1.2"
 val PekkoHttpVersion = "1.1.0"
 val PlatformVersion = "1.0.2"