diff --git a/.classpath b/.classpath
index f999062e0..e4b086f62 100644
--- a/.classpath
+++ b/.classpath
@@ -25,9 +25,9 @@
 	<classpathentry kind="lib" path="lib/commons-compress-1.16.1.jar"/>
 	<classpathentry kind="lib" path="lib/commons-lang-2.6.jar"/>
 	<classpathentry kind="lib" path="lib/commons-codec-1.11.jar"/>
-	<classpathentry kind="lib" path="lib/jcl-over-slf4j-1.7.24.jar"/>
-	<classpathentry kind="lib" path="lib/slf4j-jdk14-1.7.24.jar"/>
-	<classpathentry kind="lib" path="lib/log4j-over-slf4j-1.7.24.jar"/>
+	<classpathentry kind="lib" path="lib/jcl-over-slf4j-1.7.25.jar"/>
+	<classpathentry kind="lib" path="lib/slf4j-jdk14-1.7.25.jar"/>
+	<classpathentry kind="lib" path="lib/log4j-over-slf4j-1.7.25.jar"/>
 	<classpathentry kind="lib" path="lib/httpcore-4.4.9.jar"/>
 	<classpathentry kind="lib" path="lib/metadata-extractor-2.11.0.jar"/>
 	<classpathentry kind="lib" path="lib/xmpcore-5.1.3.jar"/>
@@ -41,7 +41,7 @@
 	<classpathentry kind="lib" path="lib/poi-3.17.jar"/>
 	<classpathentry kind="lib" path="lib/poi-scratchpad-3.17.jar"/>
 	<classpathentry kind="lib" path="lib/commons-io-2.6.jar"/>
-	<classpathentry kind="lib" path="lib/slf4j-api-1.7.24.jar"/>
+	<classpathentry kind="lib" path="lib/slf4j-api-1.7.25.jar"/>
 	<classpathentry kind="lib" path="lib/chardet.jar"/>
 	<classpathentry kind="lib" path="lib/jetty-client-9.4.9.v20180320.jar"/>
 	<classpathentry kind="lib" path="lib/jetty-continuation-9.4.9.v20180320.jar"/>
diff --git a/build.xml b/build.xml
index 150cbd16f..07bf30317 100644
--- a/build.xml
+++ b/build.xml
@@ -201,7 +201,7 @@
     	<pathelement location="${lib}/jaudiotagger-2.2.5.jar" />
         <pathelement location="${lib}/javax.servlet-api-3.1.0.jar" />
     	<pathelement location="${lib}/jcifs-1.3.17.jar" />
-    	<pathelement location="${lib}/jcl-over-slf4j-1.7.24.jar" />
+    	<pathelement location="${lib}/jcl-over-slf4j-1.7.25.jar" />
         <pathelement location="${lib}/jetty-client-9.4.9.v20180320.jar" />
         <pathelement location="${lib}/jetty-continuation-9.4.9.v20180320.jar" />
         <pathelement location="${lib}/jetty-deploy-9.4.9.v20180320.jar" />
@@ -224,7 +224,7 @@
         <pathelement location="${lib}/jwat-common-1.1.1.jar" />
         <pathelement location="${lib}/jwat-gzip-1.1.1.jar" />
         <pathelement location="${lib}/jwat-warc-1.1.1.jar" />
-    	<pathelement location="${lib}/log4j-over-slf4j-1.7.24.jar" />
+    	<pathelement location="${lib}/log4j-over-slf4j-1.7.25.jar" />
     	<pathelement location="${lib}/lucene-analyzers-common-6.6.3.jar" />
     	<pathelement location="${lib}/lucene-analyzers-phonetic-6.6.3.jar" />
     	<pathelement location="${lib}/lucene-backward-codecs-6.6.3.jar" />
@@ -248,8 +248,8 @@
         <pathelement location="${lib}/pdfbox-2.0.9.jar" />
     	<pathelement location="${lib}/poi-3.17.jar" />
     	<pathelement location="${lib}/poi-scratchpad-3.17.jar" />
-        <pathelement location="${lib}/slf4j-api-1.7.24.jar" />
-        <pathelement location="${lib}/slf4j-jdk14-1.7.24.jar" />
+        <pathelement location="${lib}/slf4j-api-1.7.25.jar" />
+        <pathelement location="${lib}/slf4j-jdk14-1.7.25.jar" />
         <pathelement location="${lib}/solr-core-6.6.3.jar" />
         <pathelement location="${lib}/solr-solrj-6.6.3.jar" />
     	<pathelement location="${lib}/spatial4j-0.6.jar" />
diff --git a/lib/jcl-over-slf4j-1.7.24.jar b/lib/jcl-over-slf4j-1.7.25.jar
similarity index 78%
rename from lib/jcl-over-slf4j-1.7.24.jar
rename to lib/jcl-over-slf4j-1.7.25.jar
index 489910765..8e7fec880 100644
Binary files a/lib/jcl-over-slf4j-1.7.24.jar and b/lib/jcl-over-slf4j-1.7.25.jar differ
diff --git a/lib/log4j-over-slf4j-1.7.24.jar b/lib/log4j-over-slf4j-1.7.25.jar
similarity index 73%
rename from lib/log4j-over-slf4j-1.7.24.jar
rename to lib/log4j-over-slf4j-1.7.25.jar
index ad8bed93f..ba241a495 100644
Binary files a/lib/log4j-over-slf4j-1.7.24.jar and b/lib/log4j-over-slf4j-1.7.25.jar differ
diff --git a/lib/slf4j-api-1.7.24.jar b/lib/slf4j-api-1.7.25.jar
similarity index 78%
rename from lib/slf4j-api-1.7.24.jar
rename to lib/slf4j-api-1.7.25.jar
index defb72a51..0143c0996 100644
Binary files a/lib/slf4j-api-1.7.24.jar and b/lib/slf4j-api-1.7.25.jar differ
diff --git a/lib/slf4j-jdk14-1.7.24.jar b/lib/slf4j-jdk14-1.7.25.jar
similarity index 69%
rename from lib/slf4j-jdk14-1.7.24.jar
rename to lib/slf4j-jdk14-1.7.25.jar
index dca550786..bd0df29c0 100644
Binary files a/lib/slf4j-jdk14-1.7.24.jar and b/lib/slf4j-jdk14-1.7.25.jar differ
diff --git a/pom.xml b/pom.xml
index 3b2457b62..fec98b108 100644
--- a/pom.xml
+++ b/pom.xml
@@ -466,7 +466,7 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>jcl-over-slf4j</artifactId>
-            <version>1.7.21</version>
+            <version>1.7.25</version>
             <type>jar</type>
         </dependency>
         <dependency>
@@ -500,7 +500,7 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>log4j-over-slf4j</artifactId>
-            <version>1.7.24</version>
+            <version>1.7.25</version>
             <type>jar</type>
         </dependency>        
         <dependency>
@@ -611,11 +611,11 @@
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-deploy</artifactId>
             <version>${jetty.version}</version>
-        </dependency>
+        </dependency>       
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-jdk14</artifactId>
-            <version>1.7.21</version>
+            <version>1.7.25</version>
             <type>jar</type>
         </dependency>       
         <dependency>