diff --git a/book/pom.xml b/book/pom.xml
index 0e3daf0..468480e 100644
--- a/book/pom.xml
+++ b/book/pom.xml
@@ -256,7 +256,7 @@ along with semanticcms-parent.  If not, see <https://www.gnu.org/licenses/>.
       <!-- javaee-web-api-bom: <groupId>javax.servlet</groupId><artifactId>javax.servlet-api</artifactId> -->
       <!-- javaee-web-api-bom: <groupId>javax.servlet.jsp</groupId><artifactId>javax.servlet.jsp-api</artifactId> -->
       <dependency>
-        <groupId>joda-time</groupId><artifactId>joda-time</artifactId><version>2.12.7</version>
+        <groupId>joda-time</groupId><artifactId>joda-time</artifactId><version>2.13.0</version>
       </dependency>
       <dependency>
         <groupId>com.semanticcms</groupId><artifactId>semanticcms-core-model</artifactId><version>1.14.1${POST-SNAPSHOT}</version>