diff --git a/build.gradle b/build.gradle
index b6cb6db06..bdf2b82ee 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,6 +3,7 @@ subprojects {
     apply plugin: 'eclipse'
 
     version = '1.0.0-SNAPSHOT'
+    ext.specificationVersion = '0.7.0'
 
     repositories {
         mavenCentral()
diff --git a/richtextfx-demos/build.gradle b/richtextfx-demos/build.gradle
index ae5bc98bd..73ce28d0a 100644
--- a/richtextfx-demos/build.gradle
+++ b/richtextfx-demos/build.gradle
@@ -2,6 +2,16 @@ dependencies {
     compile project(":richtextfx")
 }
 
+jar {
+    manifest {
+        attributes(
+            'Specification-Title': 'RichTextFX Demos',
+            'Specification-Version': project.specificationVersion,
+            'Implementation-Title': 'RichTextFX Demos',
+            'Implementation-Version': project.version)
+    }
+}
+
 task fatJar(type: Jar, dependsOn: classes) {
     appendix = 'fat'
     from sourceSets.main.output
diff --git a/richtextfx/build.gradle b/richtextfx/build.gradle
index 26a41d84b..ffa1551b3 100644
--- a/richtextfx/build.gradle
+++ b/richtextfx/build.gradle
@@ -37,6 +37,17 @@ dependencies {
     integrationTestCompile "org.testfx:openjfx-monocle:8u76-b04"
 }
 
+
+jar {
+    manifest {
+        attributes(
+            'Specification-Title': 'RichTextFX',
+            'Specification-Version': project.specificationVersion,
+            'Implementation-Title': 'RichTextFX',
+            'Implementation-Version': project.version)
+    }
+}
+
 javadoc {
     // ignore missing Javadoc comments or tags
     options.addStringOption('Xdoclint:all,-missing', '-quiet')