diff --git a/build.gradle.kts b/build.gradle.kts
index f2f5bc3..e194735 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     // for subproject configurations
-    java
+    `java-library`
     `maven-publish`
     signing
     jacoco
@@ -10,7 +10,7 @@ group = "com.anatawa12.asar4j"
 version = "1.0-SNAPSHOT"
 
 subprojects {
-    apply(plugin = "java")
+    apply(plugin = "java-library")
     apply(plugin = "maven-publish")
     apply(plugin = "signing")
     apply(plugin = "jacoco")
diff --git a/common/build.gradle.kts b/common/build.gradle.kts
index 3b371f3..e69de29 100644
--- a/common/build.gradle.kts
+++ b/common/build.gradle.kts
@@ -1,3 +0,0 @@
-plugins {
-    java
-}
diff --git a/file/build.gradle.kts b/file/build.gradle.kts
index 02cab2b..2aef79a 100644
--- a/file/build.gradle.kts
+++ b/file/build.gradle.kts
@@ -1,7 +1,3 @@
-plugins {
-    java
-}
-
 dependencies {
-    implementation(project(":common"))
+    api(project(":common"))
 }
diff --git a/url/build.gradle.kts b/url/build.gradle.kts
index b4f4709..b26295d 100644
--- a/url/build.gradle.kts
+++ b/url/build.gradle.kts
@@ -1,10 +1,6 @@
-plugins {
-    java
-}
-
 dependencies {
-    implementation(project(":common"))
-    implementation(project(":file"))
+    api(project(":common"))
+    api(project(":file"))
 }
 
 val createAsarZip by tasks.creating(Zip::class) {
diff --git a/writer/build.gradle.kts b/writer/build.gradle.kts
index 81fea67..b07ea1e 100644
--- a/writer/build.gradle.kts
+++ b/writer/build.gradle.kts
@@ -1,8 +1,4 @@
-plugins {
-    java
-}
-
 dependencies {
-    implementation(project(":common"))
+    api(project(":common"))
     testImplementation(project(":file"))
 }