diff --git a/AIRSPEC_VERSION b/AIRSPEC_VERSION
deleted file mode 100644
index b3ef8a50a4..0000000000
--- a/AIRSPEC_VERSION
+++ /dev/null
@@ -1 +0,0 @@
-24.1.1
diff --git a/build.sbt b/build.sbt
index 8c9cdc146a..56bab7aab6 100644
--- a/build.sbt
+++ b/build.sbt
@@ -9,7 +9,7 @@ val targetScalaVersions = SCALA_3 :: uptoScala2
 // Add this for using snapshot versions
 ThisBuild / resolvers ++= Resolver.sonatypeOssRepos("snapshots")
 
-val AIRSPEC_VERSION                 = sys.env.getOrElse("AIRSPEC_VERSION", IO.read(file("AIRSPEC_VERSION")).trim)
+val AIRSPEC_VERSION                 = sys.env.getOrElse("AIRSPEC_VERSION", "24.1.2")
 val SCALACHECK_VERSION              = "1.17.0"
 val MSGPACK_VERSION                 = "0.9.8"
 val SCALA_PARSER_COMBINATOR_VERSION = "2.3.0"
diff --git a/sbt-airframe/build.sbt b/sbt-airframe/build.sbt
index 4ad45ee2a3..e19486c638 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", "23.11.2")
-val AIRSPEC_VERSION  = sys.env.getOrElse("AIRSPEC_VERSION", IO.read(file("../AIRSPEC_VERSION")).trim)
+val AIRFRAME_VERSION = sys.env.getOrElse("AIRFRAME_VERSION", "24.1.2")
+val AIRSPEC_VERSION  = sys.env.getOrElse("AIRSPEC_VERSION", "24.1.2")
 val SCALA_2_12       = "2.12.18"
 
 ThisBuild / organization := "org.wvlet.airframe"