diff --git a/scray-cassandra/pom.xml b/scray-cassandra/pom.xml
index 96c0a93ca..a8f0aafd6 100644
--- a/scray-cassandra/pom.xml
+++ b/scray-cassandra/pom.xml
@@ -79,8 +79,8 @@
maven-compiler-plugin
3.2
-
- 1.8
+
+ 1.6
diff --git a/scray-client-jdbc/pom.xml b/scray-client-jdbc/pom.xml
index 567216831..f7890d561 100644
--- a/scray-client-jdbc/pom.xml
+++ b/scray-client-jdbc/pom.xml
@@ -38,8 +38,8 @@
- 1.8
- 1.8
+ 1.6
+ 1.6
UTF-8
2.10
6.15.0
diff --git a/scray-common/pom.xml b/scray-common/pom.xml
index fd699810e..e4a116239 100644
--- a/scray-common/pom.xml
+++ b/scray-common/pom.xml
@@ -60,8 +60,8 @@
maven-compiler-plugin
3.2
-
- 1.8
+
+ 1.6
diff --git a/scray-jdbc/pom.xml b/scray-jdbc/pom.xml
index 280d17149..5e60cf49f 100644
--- a/scray-jdbc/pom.xml
+++ b/scray-jdbc/pom.xml
@@ -49,8 +49,8 @@
maven-compiler-plugin
3.2
-
- 1.8
+
+ 1.6
diff --git a/scray-service/pom.xml b/scray-service/pom.xml
index fcaa4bacf..d8bcbe6a9 100644
--- a/scray-service/pom.xml
+++ b/scray-service/pom.xml
@@ -94,8 +94,8 @@
maven-compiler-plugin
2.5.1
-
- 1.8
+
+ 1.6
true
128m
512m