diff --git a/MANIFEST.MF b/MANIFEST.MF
deleted file mode 100644
index 0dfec5c..0000000
--- a/MANIFEST.MF
+++ /dev/null
@@ -1,2 +0,0 @@
-Implementation-Title: Joni (java port of Oniguruma)
-Implementation-Version: 1.1.7
diff --git a/pom.xml b/pom.xml
index 012d42f..9bc56d3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -101,7 +101,14 @@
         <version>2.2</version>
         <configuration>
           <archive>
-            <manifestFile>MANIFEST.MF</manifestFile>
+            <manifest>
+              <addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
+              <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+            </manifest>
+            <manifestEntries>
+              <Specification-Title>Joni (Java port of Oniguruma)</Specification-Title>
+              <Implementation-Title>Joni (Java port of Oniguruma)</Implementation-Title>
+            </manifestEntries>
           </archive>
         </configuration>
       </plugin>