diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index ed6c72b..8fa3c66 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-lib = "2.0.0-alpha-03"
+lib = "2.0.0-alpha-04"
 android = "8.1.2"
 auto-service = "1.1.1"
 kotlin = "1.9.23"
diff --git a/sekret-compiler-plugin/src/main/kotlin/dev/datlag/sekret/generator/DeobfuscatorGenerator.kt b/sekret-compiler-plugin/src/main/kotlin/dev/datlag/sekret/generator/DeobfuscatorGenerator.kt
index 06c4db6..fbad4aa 100644
--- a/sekret-compiler-plugin/src/main/kotlin/dev/datlag/sekret/generator/DeobfuscatorGenerator.kt
+++ b/sekret-compiler-plugin/src/main/kotlin/dev/datlag/sekret/generator/DeobfuscatorGenerator.kt
@@ -50,7 +50,7 @@ object DeobfuscatorGenerator {
         val varargListOf = listOfFunction.firstNotNullOf { function ->
             val params = function.owner.valueParameters
             if (params.isNotEmpty()) {
-                if (params.single().isVararg) {
+                if (params.first().isVararg) {
                     function
                 } else {
                     null
@@ -76,7 +76,7 @@ object DeobfuscatorGenerator {
         }
 
         val props = irClass?.properties?.toList() ?: emptyList()
-        valuesField = props.first {
+        valuesField = props.firstOrNull {
             it.name == Name.identifier("values")
         }
 
diff --git a/sekret-gradle-plugin/src/main/java/dev/datlag/sekret/gradle/SekretPlugin.kt b/sekret-gradle-plugin/src/main/java/dev/datlag/sekret/gradle/SekretPlugin.kt
index d1c2537..83f05c3 100644
--- a/sekret-gradle-plugin/src/main/java/dev/datlag/sekret/gradle/SekretPlugin.kt
+++ b/sekret-gradle-plugin/src/main/java/dev/datlag/sekret/gradle/SekretPlugin.kt
@@ -55,7 +55,7 @@ open class SekretPlugin : Plugin<Project> {
     }
 
     companion object {
-        private const val VERSION = "2.0.0-alpha-03"
+        private const val VERSION = "2.0.0-alpha-04"
 
         internal fun getVersion(): String {
             return runCatching {