diff --git a/build.sbt b/build.sbt
index 0a9337c..235e5bb 100644
--- a/build.sbt
+++ b/build.sbt
@@ -5,7 +5,7 @@ val scala3Version = "3.9.0"
 
 val munitVersion          = "1.3.6"
 val testcontainersVersion = "0.44.1"
-val otelVersion           = "1.66.0"
+val otelVersion           = "1.67.0"
 val circeVersion          = "0.14.17" // test-only: verifies ValueCodec.emap with a real JSON library
 
 // backend effect libraries, declared explicitly so Scala Steward keeps them current