diff --git a/core-java/pom.xml b/core-java/pom.xml
index 17d9c2ce64..c3a9611682 100644
--- a/core-java/pom.xml
+++ b/core-java/pom.xml
@@ -49,7 +49,7 @@
 		<dependency>
 			<groupId>org.bouncycastle</groupId>
 			<artifactId>bcprov-jdk15on</artifactId>
-			<version>1.55</version>
+			<version>${bouncycastle.version}</version>
 		</dependency>
 		<!-- web -->
 
@@ -134,7 +134,7 @@
 		<dependency>
 			<groupId>commons-codec</groupId>
 			<artifactId>commons-codec</artifactId>
-			<version>1.10</version>
+			<version>${commons-codec.version}</version>
 		</dependency>
 
 	</dependencies>
@@ -338,6 +338,8 @@
 		<!-- util -->
 		<guava.version>19.0</guava.version>
 		<commons-lang3.version>3.4</commons-lang3.version>
+		<bouncycastle.version>1.55</bouncycastle.version>
+		<commons-codec.version>1.10</commons-codec.version>
 
 		<!-- testing -->
 		<org.hamcrest.version>1.3</org.hamcrest.version>