diff --git a/airframe-http-codegen/src/test/scala/wvlet/airframe/http/codegen/ClassScannerTest.scala b/airframe-http-codegen/src/test/scala/wvlet/airframe/http/codegen/ClassScannerTest.scala
index 149e7e0b48..218fc0f322 100644
--- a/airframe-http-codegen/src/test/scala/wvlet/airframe/http/codegen/ClassScannerTest.scala
+++ b/airframe-http-codegen/src/test/scala/wvlet/airframe/http/codegen/ClassScannerTest.scala
@@ -13,7 +13,6 @@
  */
 package wvlet.airframe.http.codegen
 
-import wvlet.airframe.surface.reflect.ReflectSurfaceFactory
 import wvlet.airspec.AirSpec
 
 /**
@@ -24,14 +23,4 @@ class ClassScannerTest extends AirSpec {
       "/lib/0.0.1%2Btest/xxxx-0.0.1%2Btest.jar"
     ) shouldBe "/lib/0.0.1+test/xxxx-0.0.1+test.jar"
   }
-
-  test("Skip abstract class") {
-    if (isScala3) {
-      skip(s"Runtime reflection doesn't work in Scala 3")
-    }
-    // https://github.com/wvlet/airframe/issues/1607
-    val cl = classOf[io.grpc.stub.AbstractStub[_]]
-    val s  = ReflectSurfaceFactory.ofClass(cl)
-    val m  = ReflectSurfaceFactory.methodsOfClass(cl)
-  }
 }
diff --git a/build.sbt b/build.sbt
index a1eb906233..1e269f0271 100644
--- a/build.sbt
+++ b/build.sbt
@@ -10,7 +10,7 @@ val targetScalaVersions = SCALA_3 :: uptoScala2
 // Add this for using snapshot versions
 ThisBuild / resolvers ++= Resolver.sonatypeOssRepos("snapshots")
 
-val AIRSPEC_VERSION                 = sys.env.getOrElse("AIRSPEC_VERSION", "24.3.0")
+val AIRSPEC_VERSION                 = sys.env.getOrElse("AIRSPEC_VERSION", "24.4.1")
 val SCALACHECK_VERSION              = "1.17.1"
 val MSGPACK_VERSION                 = "0.9.8"
 val SCALA_PARSER_COMBINATOR_VERSION = "2.4.0"
diff --git a/sbt-airframe/build.sbt b/sbt-airframe/build.sbt
index f6098b71a4..a06285038b 100644
--- a/sbt-airframe/build.sbt
+++ b/sbt-airframe/build.sbt
@@ -1,8 +1,8 @@
 // Reload build.sbt on changes
 Global / onChangedBuildSource := ReloadOnSourceChanges
 
-val AIRFRAME_VERSION = sys.env.getOrElse("AIRFRAME_VERSION", "24.3.0")
-val AIRSPEC_VERSION  = sys.env.getOrElse("AIRSPEC_VERSION", "24.3.0")
+val AIRFRAME_VERSION = sys.env.getOrElse("AIRFRAME_VERSION", "24.4.1")
+val AIRSPEC_VERSION  = sys.env.getOrElse("AIRSPEC_VERSION", "24.4.1")
 val SCALA_2_12       = "2.12.19"
 
 ThisBuild / organization := "org.wvlet.airframe"