diff --git a/pom.xml b/pom.xml
index 33c9ef2eb..02757ae78 100644
--- a/pom.xml
+++ b/pom.xml
@@ -114,21 +114,18 @@
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-core</artifactId>
-			<version>${jackson}</version>
 			<optional>true</optional>
 		</dependency>
 
 		<dependency>
 			<groupId>com.fasterxml.jackson.datatype</groupId>
 			<artifactId>jackson-datatype-jsr310</artifactId>
-			<version>${jackson}</version>
 			<optional>true</optional>
 		</dependency>
 
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-databind</artifactId>
-			<version>${jackson}</version>
 			<optional>true</optional>
 		</dependency>