diff --git a/java-spiffe-helper/build.gradle b/java-spiffe-helper/build.gradle
index 7c0fd3b5..a27fdc35 100644
--- a/java-spiffe-helper/build.gradle
+++ b/java-spiffe-helper/build.gradle
@@ -9,6 +9,7 @@ apply plugin: 'com.github.johnrengelman.shadow'
 assemble.dependsOn shadowJar
 
 shadowJar {
+    mergeServiceFiles()
     archiveClassifier = osdetector.classifier
     manifest {
         attributes 'Main-Class': 'io.spiffe.helper.cli.Runner'
diff --git a/java-spiffe-provider/build.gradle b/java-spiffe-provider/build.gradle
index 1025d887..17ffe343 100644
--- a/java-spiffe-provider/build.gradle
+++ b/java-spiffe-provider/build.gradle
@@ -10,6 +10,7 @@ apply plugin: 'com.github.johnrengelman.shadow'
 assemble.dependsOn shadowJar
 
 shadowJar {
+    mergeServiceFiles()
     archiveClassifier = "all-".concat(osdetector.classifier)
 }