diff --git a/build.gradle.kts b/build.gradle.kts
index d745f4bc..9bdf5ce7 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -21,7 +21,7 @@
 /**
  * @author <a href="mailto:franz.wilhelmstoetter@gmail.com">Franz Wilhelmstötter</a>
  * @since 1.0
- * @version !__version__!
+ * @version 2.1
  */
 plugins {
 	base
diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
index f07128c0..7643cafd 100644
--- a/buildSrc/build.gradle.kts
+++ b/buildSrc/build.gradle.kts
@@ -20,8 +20,8 @@
 
 /**
  * @author <a href="mailto:franz.wilhelmstoetter@gmail.com">Franz Wilhelmstötter</a>
- * @since !__version__!
- * @version !__version__!
+ * @since 2.1
+ * @version 2.1
  */
 plugins {
 	`java-gradle-plugin`
diff --git a/jpx/build.gradle.kts b/jpx/build.gradle.kts
index dc8eb76b..2dcb0c6c 100644
--- a/jpx/build.gradle.kts
+++ b/jpx/build.gradle.kts
@@ -22,7 +22,7 @@ import org.apache.tools.ant.filters.ReplaceTokens
 /**
  * @author <a href="mailto:franz.wilhelmstoetter@gmail.com">Franz Wilhelmstötter</a>
  * @since 1.0
- * @version !__version__!
+ * @version 2.1
  */
 plugins {
 	`java-library`
diff --git a/jpx/src/main/java/io/jenetics/jpx/geom/MathUtils.java b/jpx/src/main/java/io/jenetics/jpx/geom/MathUtils.java
index 652d85fb..3c8ff28c 100644
--- a/jpx/src/main/java/io/jenetics/jpx/geom/MathUtils.java
+++ b/jpx/src/main/java/io/jenetics/jpx/geom/MathUtils.java
@@ -25,8 +25,8 @@
  * Mathematical helper functions.
  *
  * @author <a href="mailto:franz.wilhelmstoetter@gmail.com">Franz Wilhelmstötter</a>
- * @version !__version__!
- * @since !__version__!
+ * @version 2.1
+ * @since 2.1
  */
 final class MathUtils {
 
diff --git a/settings.gradle.kts b/settings.gradle.kts
index a835f531..8134ce91 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -21,7 +21,7 @@
 /**
  * @author <a href="mailto:franz.wilhelmstoetter@gmail.com">Franz Wilhelmstötter</a>
  * @since 1.0
- * @version !__version__!
+ * @version 2.1
  */
 pluginManagement {
 	repositories {