diff --git a/pom.xml b/pom.xml
index 74c80592..ba84454d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -345,7 +345,7 @@
     <dependency>
       <groupId>com.google.code.gson</groupId>
       <artifactId>gson</artifactId>
-      <version>2.3</version>
+      <version>2.8.9</version>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>
@@ -355,7 +355,7 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>30.1-jre</version>
+      <version>32.0.1-jre</version>
     </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>
@@ -377,14 +377,14 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpmime</artifactId>
-      <version>4.5.2</version>
+      <version>4.5.13</version>
     </dependency>
 
     <!-- Everything below is for testing -->
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <version>4.5.6</version>
+      <version>4.5.13</version>
       <classifier>tests</classifier>
       <scope>test</scope>
     </dependency>
@@ -397,19 +397,19 @@
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-beans</artifactId>
-      <version>4.2.0.RELEASE</version>
+      <version>4.3.20.RELEASE</version>
       <scope>test</scope>
     </dependency>
       <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-context</artifactId>
-      <version>4.2.0.RELEASE</version>
+      <version>4.3.20.RELEASE</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-test</artifactId>
-      <version>4.2.0.RELEASE</version>
+      <version>4.3.20.RELEASE</version>
       <scope>test</scope>
     </dependency>
     <dependency>
@@ -421,7 +421,7 @@
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-log4j12</artifactId>
-      <version>1.7.27</version>
+      <version>1.7.34</version>
       <scope>test</scope>
     </dependency>
   </dependencies>