diff --git a/api/build.gradle b/api/build.gradle
index 580d3c3f42c..af520691146 100644
--- a/api/build.gradle
+++ b/api/build.gradle
@@ -205,9 +205,9 @@ dependencies {
   }
   compile 'org.springframework.security:spring-security-web:+'
 
-  compile 'com.fasterxml.jackson.core:jackson-annotations:+'
-  compile 'com.fasterxml.jackson.core:jackson-core:+'
-  compile 'com.fasterxml.jackson.core:jackson-databind:+'
+  compile 'com.fasterxml.jackson.core:jackson-annotations:2.9.5'
+  compile 'com.fasterxml.jackson.core:jackson-core:2.9.5'
+  compile 'com.fasterxml.jackson.core:jackson-databind:2.9.5'
   compile 'com.google.apis:google-api-services-admin-directory:directory_v1-rev86-1.23.0'
   compile 'com.google.apis:google-api-services-oauth2:+'
   compile 'com.google.cloud:google-cloud-bigquery:0.30.0-beta'
diff --git a/public-api/build.gradle b/public-api/build.gradle
index 02382c39680..8c675240d73 100644
--- a/public-api/build.gradle
+++ b/public-api/build.gradle
@@ -111,9 +111,9 @@ dependencies {
   }
   compile 'org.springframework.security:spring-security-web:+'
 
-  compile 'com.fasterxml.jackson.core:jackson-annotations:+'
-  compile 'com.fasterxml.jackson.core:jackson-core:+'
-  compile 'com.fasterxml.jackson.core:jackson-databind:+'
+  compile 'com.fasterxml.jackson.core:jackson-annotations:2.9.5'
+  compile 'com.fasterxml.jackson.core:jackson-core:2.9.5'
+  compile 'com.fasterxml.jackson.core:jackson-databind:2.9.5'
   compile 'joda-time:joda-time:+'
   compile 'javax.inject:javax.inject:1'
   compile 'io.swagger:swagger-annotations:1.5.16'