diff --git a/scigraph-service/war/pom.xml b/scigraph-service/war/pom.xml
index e146f69..9d0d7a9 100644
--- a/scigraph-service/war/pom.xml
+++ b/scigraph-service/war/pom.xml
@@ -71,10 +71,9 @@
       </exclusions>
     </dependency>
     <dependency>
-      <groupId>com.fasterxml.jackson.core</groupId>
-      <artifactId>jackson-annotations</artifactId>
-      <version>2.5.1</version>
-      <scope>runtime</scope>
+      <groupId>com.google.guava</groupId>
+      <artifactId>guava</artifactId>
+      <version>21.0</version>
     </dependency>
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>