diff --git a/README.md b/README.md
index 99ca370..b9b1b3d 100644
--- a/README.md
+++ b/README.md
@@ -89,4 +89,5 @@ See [node-mitmproxy](https://github.com/jvilk/mitmproxy-node/blob/master/README.
 
 ## Develop
 
-Upload to Central Repository with command `./gradlew uploadArchives`
\ No newline at end of file
+Upload to Central Repository with command `./gradlew uploadArchives`
+Set username and password in `build.gradle` file
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 623443b..6b779fb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -46,9 +46,10 @@ artifacts {
 }
 signing {
     setRequired {
-        // signing is only required if the artifacts are to be published
-        sign configurations.archives
+        // condition for when signing is required
+        gradle.taskGraph.hasTask("uploadArchives")
     }
+    sign configurations.archives
 }
 
 
@@ -62,10 +63,10 @@ uploadArchives {
 
             // Destination
             repository(url: "https://oss.sonatype.org/service/local/staging/deploy/maven2/") {
-                authentication(userName: hasProperty('ossrhUsername'), password: hasProperty('ossrhPassword'))
+                authentication(userName: 'username', password: 'password')
             }
             snapshotRepository(url: "https://oss.sonatype.org/content/repositories/snapshots/") {
-                authentication(userName: hasProperty('ossrhUsername'), password: hasProperty('ossrhPassword'))
+                authentication(userName: 'username', password: 'password')
             }
 
             // Add required metadata to POM