diff --git a/pre_build_hook b/pre_build_hook
index 05c95f3..dd60319 100755
--- a/pre_build_hook
+++ b/pre_build_hook
@@ -40,7 +40,7 @@ download deb http://mirrors.kernel.org/ubuntu/pool/main/p/pcsc-lite/libpcsclite1
              http://mirrors.kernel.org/ubuntu/pool/main/t/tzdata/tzdata_2015d-0ubuntu0.14.04_all.deb \
              http://security.ubuntu.com/ubuntu/pool/main/c/ca-certificates/ca-certificates_20141019ubuntu0.14.04.1_all.deb \
              http://mirrors.kernel.org/ubuntu/pool/main/c/ca-certificates-java/ca-certificates-java_20130815ubuntu1_all.deb \
-             http://security.ubuntu.com/ubuntu/pool/main/o/openjdk-7/openjdk-7-jre-headless_7u79-2.5.5-0ubuntu0.14.04.2_amd64.deb \
+             http://security.ubuntu.com/ubuntu/pool/main/o/openjdk-7/openjdk-7-jre-headless_7u79-2.5.6-0ubuntu1.14.04.1_amd64.deb \
              http://mirrors.kernel.org/ubuntu/pool/main/c/ca-certificates-java/ca-certificates-java_20130815ubuntu1_all.deb \
              https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch-1.4.5.deb