diff --git a/airsonic-main/pom.xml b/airsonic-main/pom.xml
index ce1878f4..17e2db27 100644
--- a/airsonic-main/pom.xml
+++ b/airsonic-main/pom.xml
@@ -205,7 +205,7 @@
 			<groupId>org.checkerframework</groupId>
 			<artifactId>checker-qual</artifactId>
 			<scope>compile</scope>
-			<version>2.5.2</version>
+			<version>2.10.0</version>
 		</dependency>
 
         <dependency>
diff --git a/pom.xml b/pom.xml
index fe356e2e..588befce 100644
--- a/pom.xml
+++ b/pom.xml
@@ -127,7 +127,7 @@
             <dependency>
                 <groupId>com.google.guava</groupId>
                 <artifactId>guava</artifactId>
-                <version>27.1-jre</version>
+                <version>28.2-jre</version>
             </dependency>
             <dependency>
                 <groupId>org.apache.ant</groupId>