diff --git a/pom.xml b/pom.xml
index e34e50abc470..1a66e68bf4da 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
   <groupId>org.openrefine</groupId>
   <artifactId>openrefine</artifactId>
   <packaging>pom</packaging>
-  <version>3.5-SNAPSHOT</version>
+  <version>3.6-SNAPSHOT</version>
 
   <name>OpenRefine</name>
   <description>OpenRefine is a free, open source power tool for working with messy data and improving it</description>
@@ -60,8 +60,11 @@
     <surefire.version>2.22.2</surefire.version>
     <surefireArgs/>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <jackson.version>2.11.3</jackson.version>
-    <slf4j.version>1.7.30</slf4j.version>
+    <jackson.version>2.12.5</jackson.version>
+    <servlet-api.version>4.0.1</servlet-api.version>
+    <butterfly.version>1.1.1</butterfly.version>
+    <slf4j.version>1.7.32</slf4j.version>
+    <jetty.version>11.0.6</jetty.version>
   </properties>
 
 
@@ -122,7 +125,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-dependency-plugin</artifactId>
-        <version>3.1.2</version>
+        <version>3.2.0</version>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
@@ -138,7 +141,7 @@
       <plugin>
         <groupId>org.jacoco</groupId>
         <artifactId>jacoco-maven-plugin</artifactId>
-        <version>0.8.6</version>
+        <version>0.8.7</version>
         <executions>
             <execution>
                 <id>prepare-agent</id>