diff --git a/pom.xml b/pom.xml
index d47061b..ce2fc69 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,14 +21,14 @@
 
     <properties>
         <arvo.version>1.10.2</arvo.version>
-        <gson.version>2.7</gson.version>
+        <gson.version>2.8.9</gson.version>
         <io.grpc.version>1.23.0</io.grpc.version>
         <jmh.version>1.20</jmh.version>
         <junit.dep.version>4.8.2</junit.dep.version>
         <junit.version>4.13.1</junit.version>
         <kotlin.version>1.4.10</kotlin.version>
         <limits.version>0.3.6</limits.version>
-        <log4j.version>2.17.0</log4j.version>
+        <log4j.version>2.17.1</log4j.version>
         <main.user.dir>${user.dir}</main.user.dir>
         <maven.compiler.source>8</maven.compiler.source>
         <maven.compiler.target>8</maven.compiler.target>
@@ -37,7 +37,7 @@
         <okhttp.version>4.9.1</okhttp.version>
         <okio.version>2.8.0</okio.version>
         <project.encoding>UTF-8</project.encoding>
-        <protobuf.version>3.15.8</protobuf.version>
+        <protobuf.version>3.16.1</protobuf.version>
         <slf4j.version>1.7.21</slf4j.version>
     </properties>