diff --git a/.wiki b/.wiki
index 66ace40..7314c21 160000
--- a/.wiki
+++ b/.wiki
@@ -1 +1 @@
-Subproject commit 66ace40bbc1cba3d5e4069487888469f89478190
+Subproject commit 7314c2134fa2bd4fce1e04b4bbe61840e9c62fa0
diff --git a/core/pom.xml b/core/pom.xml
index 7f8e1cc..14a1add 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -5,7 +5,7 @@
configured-parent
cc.carm.lib
- 4.1.7
+ 4.1.8
4.0.0
diff --git a/core/src/main/java/cc/carm/lib/configuration/adapter/ValueType.java b/core/src/main/java/cc/carm/lib/configuration/adapter/ValueType.java
index 98bf9c5..f64c9df 100644
--- a/core/src/main/java/cc/carm/lib/configuration/adapter/ValueType.java
+++ b/core/src/main/java/cc/carm/lib/configuration/adapter/ValueType.java
@@ -20,6 +20,7 @@ import java.util.Objects;
*/
public abstract class ValueType {
+ public static final ValueType