diff --git a/build.xml b/build.xml
index c2c60f358f..8cc03d5f19 100644
--- a/build.xml
+++ b/build.xml
@@ -333,9 +333,9 @@
           <dependency groupId="org.antlr" artifactId="antlr-runtime" version="3.5.2">
             <exclusion groupId="org.antlr" artifactId="stringtemplate"/>
           </dependency>
-          <dependency groupId="org.slf4j" artifactId="slf4j-api" version="1.7.2"/>
-          <dependency groupId="org.slf4j" artifactId="log4j-over-slf4j" version="1.7.2"/>
-          <dependency groupId="org.slf4j" artifactId="jcl-over-slf4j" version="1.7.2" />
+          <dependency groupId="org.slf4j" artifactId="slf4j-api" version="1.7.7"/>
+          <dependency groupId="org.slf4j" artifactId="log4j-over-slf4j" version="1.7.7"/>
+          <dependency groupId="org.slf4j" artifactId="jcl-over-slf4j" version="1.7.7" />
           <dependency groupId="ch.qos.logback" artifactId="logback-core" version="1.1.2"/>
           <dependency groupId="ch.qos.logback" artifactId="logback-classic" version="1.1.2"/>
           <dependency groupId="org.codehaus.jackson" artifactId="jackson-core-asl" version="1.9.2"/>
@@ -1187,7 +1187,7 @@
         <pathelement location="${build.dir}/${ant.project.name}-clientutil-${version}.jar" />
         <pathelement location="${build.dir}/${ant.project.name}-thrift-${version}.jar" />
         <pathelement location="${build.lib}/libthrift-0.9.0.jar" />
-        <pathelement location="${build.lib}/slf4j-api-1.7.2.jar" />
+        <pathelement location="${build.lib}/slf4j-api-1.7.7.jar" />
         <pathelement location="${build.lib}/log4j-over-slf4j.jar" />
         <pathelement location="${build.lib}/logback-core-1.1.2.jar" />
         <pathelement location="${build.lib}/logback-classic-1.1.2.jar" />
diff --git a/lib/jcl-over-slf4j-1.7.2.jar b/lib/jcl-over-slf4j-1.7.7.jar
similarity index 67%
rename from lib/jcl-over-slf4j-1.7.2.jar
rename to lib/jcl-over-slf4j-1.7.7.jar
index 867fa62004..ed8d4ddb07 100644
Binary files a/lib/jcl-over-slf4j-1.7.2.jar and b/lib/jcl-over-slf4j-1.7.7.jar differ
diff --git a/lib/licenses/jcl-over-slf4j-1.7.2.txt b/lib/licenses/jcl-over-slf4j-1.7.7.txt
similarity index 100%
rename from lib/licenses/jcl-over-slf4j-1.7.2.txt
rename to lib/licenses/jcl-over-slf4j-1.7.7.txt
diff --git a/lib/licenses/log4j-over-slf4j-1.7.2.txt b/lib/licenses/log4j-over-slf4j-1.7.7.txt
similarity index 100%
rename from lib/licenses/log4j-over-slf4j-1.7.2.txt
rename to lib/licenses/log4j-over-slf4j-1.7.7.txt
diff --git a/lib/licenses/slf4j-api-1.7.2.txt b/lib/licenses/slf4j-api-1.7.7.txt
similarity index 100%
rename from lib/licenses/slf4j-api-1.7.2.txt
rename to lib/licenses/slf4j-api-1.7.7.txt
diff --git a/lib/log4j-over-slf4j-1.7.2.jar b/lib/log4j-over-slf4j-1.7.2.jar
deleted file mode 100644
index 92e61032fa..0000000000
Binary files a/lib/log4j-over-slf4j-1.7.2.jar and /dev/null differ
diff --git a/lib/log4j-over-slf4j-1.7.7.jar b/lib/log4j-over-slf4j-1.7.7.jar
new file mode 100644
index 0000000000..d2a102eeab
Binary files /dev/null and b/lib/log4j-over-slf4j-1.7.7.jar differ
diff --git a/lib/slf4j-api-1.7.2.jar b/lib/slf4j-api-1.7.2.jar
deleted file mode 100644
index 73f38db9ce..0000000000
Binary files a/lib/slf4j-api-1.7.2.jar and /dev/null differ
diff --git a/lib/slf4j-api-1.7.7.jar b/lib/slf4j-api-1.7.7.jar
new file mode 100644
index 0000000000..bebabd9619
Binary files /dev/null and b/lib/slf4j-api-1.7.7.jar differ