diff --git a/build.gradle b/build.gradle
index 7d08113ce..02d336d7f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -67,7 +67,7 @@ jar {
 }
 
 task wrapper(type: Wrapper) {
-    gradleVersion = '4.2.1'
+    gradleVersion = '4.10.2'
 }
 
 buildscript {
@@ -191,10 +191,6 @@ test {
     }
 }
 
-signing {
-    sign configurations.archives
-}
-
 idea {
     module {
         downloadJavadoc = true
@@ -265,3 +261,7 @@ publishing {
         }
     }
 }
+
+signing {
+    sign publishing.publications.shadow
+}
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 74bb77845..fb7ef980f 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.2.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-bin.zip