diff --git a/README.md b/README.md
index 469e99fc..55c776a1 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@
 
 ```kotlin
 dependencies {
-    implementation("org.ton:ton-kotlin:0.2.3")
+    implementation("org.ton:ton-kotlin:0.2.4")
 }
 ```
 
diff --git a/build.gradle.kts b/build.gradle.kts
index 0322485d..eb283c12 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -17,7 +17,7 @@ val isCI = System.getenv("CI") == "true"
 
 allprojects {
     group = "org.ton"
-    version = "0.2.4-SNAPSHOT"
+    version = "0.2.4"
 
     apply(plugin = "kotlin-multiplatform")
     apply(plugin = "kotlinx-serialization")
diff --git a/ton-kotlin-block/src/commonMain/kotlin/org/ton/block/StateInit.kt b/ton-kotlin-block/src/commonMain/kotlin/org/ton/block/StateInit.kt
index abf0fd04..0fc6a459 100644
--- a/ton-kotlin-block/src/commonMain/kotlin/org/ton/block/StateInit.kt
+++ b/ton-kotlin-block/src/commonMain/kotlin/org/ton/block/StateInit.kt
@@ -22,13 +22,17 @@ public data class StateInit(
     val library: HashMapE<SimpleLib>
 ) {
     public constructor(
-        code: CellRef<Cell>? = null,
-        data: CellRef<Cell>? = null,
+        code: Cell? = null,
+        data: Cell? = null,
         library: HashMapE<SimpleLib> = HashMapE.of(),
         splitDepth: UInt? = null,
         special: TickTock? = null
     ) : this(
-        splitDepth.toMaybe(), special.toMaybe(), code.toMaybe(), data.toMaybe(), library
+        splitDepth.toMaybe(),
+        special.toMaybe(),
+        code?.let { CellRef(cell = it, AnyTlbConstructor) }.toMaybe(),
+        data?.let { CellRef(cell = it, AnyTlbConstructor) }.toMaybe(),
+        library
     )
 
     override fun toString(): String = "split_depth:$splitDepth special:$special code:$code data:$data library:$library"