diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 0e23d46..22b0bf1 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -25,3 +25,5 @@ jobs:
         env:
           USERNAME: ${{ github.actor }}
           PASSWORD: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_USERNAME: ${{ github.actor }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/build.gradle.kts b/build.gradle.kts
index 0ae2f70..6927c19 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -44,27 +44,22 @@ tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach
 }
 
 publishing {
-//    publications {
-//        create<MavenPublication>("mavenJava") {
-//            from(components["java"])
-//        }
-//    }
     repositories {
         maven {
             name = "GitHubPackages"
             url = uri("https://maven.pkg.github.com/eierina/patricia-trie")
             credentials {
-                username = project.findProperty("gpr.user") ?: System.getenv("GITHUB_USERNAME")
-                password = project.findProperty("gpr.key") ?: System.getenv("GITHUB_TOKEN")
+                username = project.findProperty("gpr.user") as String? ?: System.getenv("GITHUB_USERNAME")
+                password = project.findProperty("gpr.key") as String? ?: System.getenv("GITHUB_TOKEN")
             }
         }
     }
     publications {
-        gpr(MavenPublication) {
-            groupId = project.group
-            version = project.version
-            artifactId = 'patricia-trie'
-            from components.java
+        create<MavenPublication>("gpr") {
+            groupId = project.group.toString()
+            version = project.version.toString()
+            artifactId = "patricia-trie"
+            from(components["java"])
         }
     }
 }
\ No newline at end of file