diff --git a/dependency-reduced-pom.xml b/dependency-reduced-pom.xml
index bd4710fb..1001127d 100644
--- a/dependency-reduced-pom.xml
+++ b/dependency-reduced-pom.xml
@@ -182,7 +182,7 @@
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
-      <version>1.7.25</version>
+      <version>1.7.26</version>
       <scope>test</scope>
     </dependency>
     <dependency>
@@ -210,5 +210,4 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <junit.version>4.12</junit.version>
   </properties>
-</project>
-
+</project>
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 497976a6..a7fd829d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,6 @@
         <junit.jupiter.version>5.0.1</junit.jupiter.version>
         <junit.vintage.version>${junit.version}.1</junit.vintage.version>
         <junit.platform.version>1.0.1</junit.platform.version>
-
     </properties>
 
     <dependencies>
@@ -26,20 +25,20 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-core</artifactId>
-            <version>2.9.5</version>
+            <version>2.9.8</version>
             <scope>compile</scope>
         </dependency>
         <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.9.5</version>
+            <version>2.9.8</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.kafka</groupId>
             <artifactId>connect-api</artifactId>
-            <version>2.0.0</version>
+            <version>2.2.0</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
@@ -79,7 +78,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.3</version>
+            <version>4.5.8</version>
             <exclusions>
                 <exclusion>
                     <groupId>commons-logging</groupId>
@@ -102,7 +101,7 @@
         <dependency>
             <groupId>commons-codec</groupId>
             <artifactId>commons-codec</artifactId>
-            <version>1.11</version>
+            <version>1.12</version>
             <scope>compile</scope>
         </dependency>
 
@@ -110,14 +109,14 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
-            <version>1.7.25</version>
+            <version>1.7.26</version>
             <scope>test</scope>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-api -->
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>1.7.25</version>
+            <version>1.7.26</version>
             <scope>compile</scope>
         </dependency>
         <!-- https://mvnrepository.com/artifact/commons-cli/commons-cli -->
diff --git a/src/main/java/com/splunk/kafka/connect/SplunkSinkConnectorConfig.java b/src/main/java/com/splunk/kafka/connect/SplunkSinkConnectorConfig.java
index 0d36dee4..d2facf98 100644
--- a/src/main/java/com/splunk/kafka/connect/SplunkSinkConnectorConfig.java
+++ b/src/main/java/com/splunk/kafka/connect/SplunkSinkConnectorConfig.java
@@ -328,21 +328,21 @@ public String toString() {
                 + "ackPollThreads:" + ackPollThreads + ", "
                 + "maxHttpConnectionPerChannel:" + maxHttpConnPerChannel + ", "
                 + "totalHecChannels:" + totalHecChannels + ", "
-                + "enrichment: " + getString(ENRICHMENT_CONF) + ", "
-                + "maxBatchSize: " + maxBatchSize + ", "
-                + "numberOfThreads: " + numberOfThreads + ", "
-                + "lineBreaker: " + lineBreaker + ", "
-                + "maxOutstandingEvents: " + maxOutstandingEvents + ", "
-                + "maxRetries: " + maxRetries + ", "
-                + "useRecordTimestamp: " + useRecordTimestamp + ", "
-                + "hecEventFormatted" + hecEventFormatted + ", "
-                + "trackData: " + trackData + ","
-                + "headerSupport:" + headerSupport + ","
-                + "headerCustom:" + headerCustom + ","
-                + "headerIndex:" + headerIndex + ","
-                + "headerSource:" + headerSource + ","
-                + "headerSourcetype:" + headerSourcetype + ","
-                + "headerHost" + headerHost;
+                + "enrichment:" + getString(ENRICHMENT_CONF) + ", "
+                + "maxBatchSize:" + maxBatchSize + ", "
+                + "numberOfThreads:" + numberOfThreads + ", "
+                + "lineBreaker:" + lineBreaker + ", "
+                + "maxOutstandingEvents:" + maxOutstandingEvents + ", "
+                + "maxRetries:" + maxRetries + ", "
+                + "useRecordTimestamp:" + useRecordTimestamp + ", "
+                + "hecEventFormatted:" + hecEventFormatted + ", "
+                + "trackData:" + trackData + ", "
+                + "headerSupport:" + headerSupport + ", "
+                + "headerCustom:" + headerCustom + ", "
+                + "headerIndex:" + headerIndex + ", "
+                + "headerSource:" + headerSource + ", "
+                + "headerSourcetype:" + headerSourcetype + ", "
+                + "headerHost:" + headerHost;
     }
 
     private static String[] split(String data, String sep) {