diff --git a/07_Constructing_LSTM_Neural_network_for_sequence_classification/sourceCode/cookbookapp/pom.xml b/07_Constructing_LSTM_Neural_network_for_sequence_classification/sourceCode/cookbookapp/pom.xml
index 7153c46..2c184d9 100644
--- a/07_Constructing_LSTM_Neural_network_for_sequence_classification/sourceCode/cookbookapp/pom.xml
+++ b/07_Constructing_LSTM_Neural_network_for_sequence_classification/sourceCode/cookbookapp/pom.xml
@@ -11,7 +11,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>