diff --git a/build.sbt b/build.sbt
index 9173bf3..d8d4d8f 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,7 +2,7 @@ ThisBuild / version := "1.0"
 ThisBuild / scalaVersion := "2.12.18"
 ThisBuild / organization := "org.example"
 
-val spinalVersion = "1.10.2"
+val spinalVersion = "1.10.2a"
 val spinalCore = "com.github.spinalhdl" %% "spinalhdl-core" % spinalVersion
 val spinalLib = "com.github.spinalhdl" %% "spinalhdl-lib" % spinalVersion
 val spinalIdslPlugin = compilerPlugin("com.github.spinalhdl" %% "spinalhdl-idsl-plugin" % spinalVersion)
diff --git a/build.sc b/build.sc
index d8c2600..fd77f12 100644
--- a/build.sc
+++ b/build.sc
@@ -1,6 +1,6 @@
 import mill._, scalalib._
 
-val spinalVersion = "1.10.1"
+val spinalVersion = "1.10.2a"
 
 object projectname extends SbtModule {
   def scalaVersion = "2.12.18"