diff --git a/pom.xml b/pom.xml
index c5be7df4..1bdd7cb4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -35,8 +35,8 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <authlete-java-common.version>3.18</authlete-java-common.version>
-        <gson.version>2.8.6</gson.version>
+        <authlete-java-common.version>3.19</authlete-java-common.version>
+        <gson.version>2.8.9</gson.version>
         <nimbus.version>9.22</nimbus.version>
     </properties>