diff --git a/build.sbt b/build.sbt
index 8172eb459..5fc2434d1 100644
--- a/build.sbt
+++ b/build.sbt
@@ -167,8 +167,8 @@ val osLibVersion = "0.11.4"
 val tethysVersion = "0.29.8"
 val openTelemetryVersion = "1.59.0"
 val openTelemetrySemconvVersion = "1.40.0"
-val otel4s = "0.16.0"
-val otel4sSdk = "0.18.0"
+val otel4s = "1.0.0-RC1"
+val otel4sSdk = "0.19.0-RC1"
 val slf4jVersion = "1.7.36"
 
 val compileAndTest = "compile->compile;test->test"