diff --git a/web/pom.xml b/web/pom.xml
index 91d6fd4..a844b63 100644
--- a/web/pom.xml
+++ b/web/pom.xml
@@ -42,19 +42,19 @@
 		<dependency>
 			<groupId>com.vaadin</groupId>
 			<artifactId>vaadin-compatibility-server</artifactId>
-			<version>8.9.4</version>
+			<version>8.18.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>com.vaadin</groupId>
 			<artifactId>vaadin-themes</artifactId>
-			<version>8.9.4</version>
+			<version>8.18.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>com.vaadin</groupId>
 			<artifactId>vaadin-compatibility-client-compiled</artifactId>
-			<version>8.9.4</version>
+			<version>8.18.0</version>
 		</dependency>
 
 		<dependency>
@@ -72,7 +72,7 @@
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-log4j12</artifactId>
-			<version>1.7.30</version>
+			<version>1.7.36</version>
 		</dependency>
 
 		<dependency>