diff --git a/publish.gradle b/publish.gradle
index 6e827b0..6cfed12 100644
--- a/publish.gradle
+++ b/publish.gradle
@@ -1,4 +1,5 @@
 apply plugin: 'maven-publish'
+apply plugin: 'signing'
 
 task javadocsJar(type: Jar) {
     classifier = 'javadoc'
@@ -38,14 +39,31 @@ publishing {
             }
         }
         repositories {
-            maven {
-                name = "GithubPackages"
-                url = uri("https://maven.pkg.github.com/InsanusMokrassar/TelegramBotApiLibraries")
-                credentials {
-                    username = project.hasProperty('GITHUBPACKAGES_USER') ? project.property('GITHUBPACKAGES_USER') : System.getenv('GITHUBPACKAGES_USER')
-                    password = project.hasProperty('GITHUBPACKAGES_PASSWORD') ? project.property('GITHUBPACKAGES_PASSWORD') : System.getenv('GITHUBPACKAGES_PASSWORD')
+            if ((project.hasProperty('GITHUBPACKAGES_USER') || System.getenv('GITHUBPACKAGES_USER') != null) && (project.hasProperty('GITHUBPACKAGES_PASSWORD') || System.getenv('GITHUBPACKAGES_PASSWORD') != null)) {
+                maven {
+                    name = "GithubPackages"
+                    url = uri("https://maven.pkg.github.com/InsanusMokrassar/TelegramBotApiLibraries")
+                    credentials {
+                        username = project.hasProperty('GITHUBPACKAGES_USER') ? project.property('GITHUBPACKAGES_USER') : System.getenv('GITHUBPACKAGES_USER')
+                        password = project.hasProperty('GITHUBPACKAGES_PASSWORD') ? project.property('GITHUBPACKAGES_PASSWORD') : System.getenv('GITHUBPACKAGES_PASSWORD')
+                    }
+                }
+            }
+            if ((project.hasProperty('SONATYPE_USER') || System.getenv('SONATYPE_USER') != null) && (project.hasProperty('SONATYPE_PASSWORD') || System.getenv('SONATYPE_PASSWORD') != null)) {
+                maven {
+                    name = "sonatype"
+                    url = uri("https://oss.sonatype.org/service/local/staging/deploy/maven2/")
+                    credentials {
+                        username = project.hasProperty('SONATYPE_USER') ? project.property('SONATYPE_USER') : System.getenv('SONATYPE_USER')
+                        password = project.hasProperty('SONATYPE_PASSWORD') ? project.property('SONATYPE_PASSWORD') : System.getenv('SONATYPE_PASSWORD')
+                    }
                 }
             }
         }
     }
 }
+
+signing {
+    useGpgCmd()
+    sign publishing.publications
+}
diff --git a/publish_config.kpsb b/publish_config.kpsb
index 49a64d2..b3b6bbb 100644
--- a/publish_config.kpsb
+++ b/publish_config.kpsb
@@ -1 +1 @@
-{"licenses":[{"id":"MIT","title":"MIT License","url":"https://opensource.org/licenses/MIT"}],"mavenConfig":{"name":"${project.name}","description":"${project.name}","url":"https://github.com/InsanusMokrassar/TelegramBotApiLibraries","vcsUrl":"https://github.com/InsanusMokrassar/TelegramBotApiLibraries.git","includeGpgSigning":false,"developers":[{"id":"InsanusMokrassar","name":"Ovsiannikov Aleksei","eMail":"ovsyannikov.alexey95@gmail.com"}],"repositories":[{"name":"GithubPackages","url":"https://maven.pkg.github.com/InsanusMokrassar/TelegramBotApiLibraries"}]}}
+{"licenses":[{"id":"MIT","title":"MIT License","url":"https://opensource.org/licenses/MIT"}],"mavenConfig":{"name":"${project.name}","description":"${project.name}","url":"https://github.com/InsanusMokrassar/TelegramBotApiLibraries","vcsUrl":"https://github.com/InsanusMokrassar/TelegramBotApiLibraries.git","includeGpgSigning":true,"developers":[{"id":"InsanusMokrassar","name":"Ovsiannikov Aleksei","eMail":"ovsyannikov.alexey95@gmail.com"}],"repositories":[{"name":"GithubPackages","url":"https://maven.pkg.github.com/InsanusMokrassar/TelegramBotApiLibraries"},{"name":"sonatype","url":"https://oss.sonatype.org/service/local/staging/deploy/maven2/"}]}}
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