diff --git a/bootstrap-extensions/pom.xml b/bootstrap-extensions/pom.xml
index d8e0745f1..f7beef295 100644
--- a/bootstrap-extensions/pom.xml
+++ b/bootstrap-extensions/pom.xml
@@ -26,6 +26,7 @@
         <bootstrap-select.version>1.14.0-beta3</bootstrap-select.version>
         <tempusdominus4.version>5.39.0</tempusdominus4.version>
         <tempusdominus.version>6.7.11</tempusdominus.version>
+        <guava.version>32.1.3-jre</guava.version>
     </properties>
 
     <dependencies>
@@ -144,6 +145,12 @@
             </exclusions>
         </dependency>
 
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
+
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>