diff --git a/pom.xml b/pom.xml
index d241974..3bea540 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,7 +16,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.5.3</version>
+                <version>3.5.6</version>
                 <configuration>
                     <!-- Tests can be skipped on demand with -DskipTests, but run by default (e.g. in CI). -->
                     <skipTests>${skipTests}</skipTests>
@@ -25,7 +25,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.2.4</version>
+                <version>3.6.2</version>
                 <executions>
                     <execution>
                         <phase>package</phase>
@@ -49,7 +49,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.13.0</version>
+                <version>3.15.0</version>
                 <configuration>
                     <source>14</source>
                     <target>14</target>
@@ -58,7 +58,7 @@
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>
-                <version>0.8.8</version>
+                <version>0.8.15</version>
                 <executions>
                     <execution>
                         <id>prepare-agent</id>
@@ -97,12 +97,12 @@
         <dependency>
             <groupId>com.squareup.okio</groupId>
             <artifactId>okio</artifactId>
-            <version>3.4.0</version>
+            <version>3.17.0</version>
         </dependency>
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.10.1</version>
+            <version>2.14.0</version>
         </dependency>
         <dependency>
             <groupId>org.mock-server</groupId>
@@ -113,13 +113,13 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
-            <version>2.0.5</version>
+            <version>2.0.18</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>com.auth0</groupId>
             <artifactId>java-jwt</artifactId>
-            <version>4.5.1</version>
+            <version>4.5.2</version>
         </dependency>
     </dependencies>
 </project>