diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index bcec781..50aba1c 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,7 +1,7 @@
 [versions]
-kotlin = "1.8.20"
+kotlin = "1.9.23"
 
-shadow = "7.0.0"
+shadow = "8.1.1"
 javaparser = "3.25.1"
 kotlinparser = "0.1.0"
 snakeyaml = "2.0"
@@ -13,7 +13,7 @@ plasmovoice = "2.1.0-SNAPSHOT"
 
 [libraries]
 kotlin = { module = "org.jetbrains.kotlin:kotlin-gradle-plugin", version.ref = "kotlin" }
-shadow = { module = "gradle.plugin.com.github.jengelman.gradle.plugins:shadow", version.ref = "shadow" }
+shadow = { module = "com.github.johnrengelman:shadow", version.ref = "shadow" }
 javaparser = { module = "com.github.javaparser:javaparser-core", version.ref = "javaparser" }
 kotlinparser = { module = "com.github.kotlinx.ast:grammar-kotlin-parser-antlr-kotlin", version.ref = "kotlinparser" }
 snakeyaml = { module = "org.yaml:snakeyaml", version.ref = "snakeyaml" }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index fae0804..17655d0 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists