diff --git a/core/pom.xml b/core/pom.xml
index 5eb427fa5cc..21930b2ceb4 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -266,7 +266,7 @@
         <dependency>
             <groupId>org.knowm.xchart</groupId>
             <artifactId>xchart</artifactId>
-            <version>3.8.7</version>
+            <version>3.8.8</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/tests/pom.xml b/tests/pom.xml
index b6baad6739e..467d73e5fca 100644
--- a/tests/pom.xml
+++ b/tests/pom.xml
@@ -130,7 +130,7 @@
         <dependency>
             <groupId>org.knowm.xchart</groupId>
             <artifactId>xchart</artifactId>
-            <version>3.8.5</version>
+            <version>3.8.8</version>
             <scope>test</scope>
         </dependency>
     </dependencies>