diff --git a/src/plugin/language-identifier/ivy.xml b/src/plugin/language-identifier/ivy.xml
index 17aba47e92..60dbbefd1d 100644
--- a/src/plugin/language-identifier/ivy.xml
+++ b/src/plugin/language-identifier/ivy.xml
@@ -37,7 +37,13 @@
   </publications>
 
   <dependencies>
-    <dependency org="org.tallison.tika" name="tika-langdetect-optimaize-shaded" rev="2.9.1.0" conf="*->default" transitive="false"/>
+    <dependency org="org.apache.tika" name="tika-langdetect-optimaize" rev="2.9.0" conf="*->default">
+      <!-- exclusions of dependencies provided in Nutch core (ivy/ivy.xml) -->
+      <exclude org="org.apache.tika" name="tika-core" />
+      <exclude org="com.google.guava" name="guava" />
+      <exclude org="org.slf4j" name="slf4j-api" />
+      <!-- exclusions of dependencies provided in Nutch core (ivy/ivy.xml) -->
+    </dependency>
   </dependencies>
   
 </ivy-module>
diff --git a/src/plugin/language-identifier/plugin.xml b/src/plugin/language-identifier/plugin.xml
index 94929bdbfa..a65ca78cc0 100644
--- a/src/plugin/language-identifier/plugin.xml
+++ b/src/plugin/language-identifier/plugin.xml
@@ -26,7 +26,16 @@
          <export name="*"/>
       </library>
       <!-- dependencies of Tika's Optimaize language detector (tika-langdetect-optimaize) -->
-      <library name="tika-langdetect-optimaize-shaded-2.9.1.0.jar"/>
+        <library name="annotations-12.0.jar"/>
+        <library name="checker-qual-3.33.0.jar"/>
+        <library name="error_prone_annotations-2.18.0.jar"/>
+        <library name="failureaccess-1.0.1.jar"/>
+        <library name="j2objc-annotations-2.8.jar"/>
+        <library name="jsonic-1.2.11.jar"/>
+        <library name="jsr305-3.0.2.jar"/>
+        <library name="language-detector-0.6.jar"/>
+        <library name="listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar"/>
+        <library name="tika-langdetect-optimaize-2.9.0.jar"/>
     </runtime>
 
    <requires>