diff --git a/pom.xml b/pom.xml
index aaefbdd..33d6642 100644
--- a/pom.xml
+++ b/pom.xml
@@ -246,13 +246,13 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>18.0</version>
+      <version>32.0.1-jre</version>
     </dependency>
 
     <dependency>
       <groupId>com.google.cloud.bigtable</groupId>
       <artifactId>bigtable-hbase-2.x-hadoop</artifactId>
-      <version>1.23.0</version>
+      <version>2.9.0</version>
      </dependency>
 
     <!-- runtime dependencies -->
@@ -273,7 +273,7 @@
     <dependency>
       <groupId>commons-configuration</groupId>
       <artifactId>commons-configuration</artifactId>
-      <version>1.10</version>
+      <version>20030311.152757</version>
     </dependency>
 
     <!-- test dependencies -->
@@ -295,7 +295,7 @@
     <dependency>
       <groupId>org.javassist</groupId>
       <artifactId>javassist</artifactId>
-      <version>3.18.1-GA</version>
+      <version>3.18.2-GA</version>
       <scope>test</scope>
     </dependency>