3 files changed, 8 insertions, 3 deletions
diff --git a/java/gradle/library.gradle b/java/gradle/library.gradle
index 3d446c7698c..678fa26e450 100644
--- a/java/gradle/library.gradle
+++ b/java/gradle/library.gradle
@@ -144,7 +144,7 @@ if(jarsClassPath.toBoolean()){
             }
         }
     }
-
+    updateInstallManifest.files("${DESTDIR}${jarDir}/${jar.archiveName}")
     install.dependsOn(updateInstallManifest)
 } else {
     task install(type: Copy, dependsOn: jarSources, overwrite: true) {
diff --git a/java/src/IceGridGUI/plain-jar.gradle b/java/src/IceGridGUI/plain-jar.gradle
index e4ec2f2cf06..cd5e19d1dca 100644
--- a/java/src/IceGridGUI/plain-jar.gradle
+++ b/java/src/IceGridGUI/plain-jar.gradle
@@ -24,6 +24,8 @@ task updateManifest(dependsOn: copyTmpJars) << {
     }
 }
 
+updateManifest.outputs.files("${libDir}/${jarName}")
+
 //
 // Copy JARs to the install location
 //
@@ -46,11 +48,12 @@ task updateInstallManifest(dependsOn: copyJars) << {
         }
     }
 }
+updateInstallManifest.outputs.files("${DESTDIR}${jarDir}/${jarName}")
 
 //
 // We need to sign the install JARs after updating the manifest.
 //
-task signInstalJar(dependsOn: updateInstallManifest) << {
+task signInstallJar(dependsOn: updateInstallManifest) << {
     if(keystore != null && keystore.length() > 0) {
         ant.signjar(jar: "${DESTDIR}${jarDir}/${jarName}",
                     alias: "zeroc.com",
@@ -58,6 +61,7 @@ task signInstalJar(dependsOn: updateInstallManifest) << {
                     storepass:"${keystore_password}")
     }
 }
+signInstallJar.outputs.files("${DESTDIR}${jarDir}/${jarName}")
 
-task install(dependsOn: signInstalJar)
+task install(dependsOn: signInstallJar)
 
diff --git a/java/src/IceGridGUI/proguard-jar.gradle b/java/src/IceGridGUI/proguard-jar.gradle
index b9988538e0c..bf6a017a17d 100644
--- a/java/src/IceGridGUI/proguard-jar.gradle
+++ b/java/src/IceGridGUI/proguard-jar.gradle
@@ -35,6 +35,7 @@ task updateManifest(dependsOn: proguardJar) << {
         }
     }
 }
+updateManifest.outputs.files("${DESTDIR}${jarDir}/${jarName}")
 
 task copyJars(type: Copy, dependsOn: updateManifest) {
     from new File("${libDir}/${jarName}")