diff --git a/pom.xml b/pom.xml
index 0abb303..44c3141 100644
--- a/pom.xml
+++ b/pom.xml
@@ -34,17 +34,18 @@
     </parent>
 
     <properties>
-        <gravitee-bom.version>2.9</gravitee-bom.version>
+        <gravitee-bom.version>3.0.0</gravitee-bom.version>
         <gravitee-apim.version>3.20.21</gravitee-apim.version>
         <gravitee-gateway-api.version>2.0.1</gravitee-gateway-api.version>
         <gravitee-policy-api.version>1.11.0</gravitee-policy-api.version>
         <gravitee-common.version>2.3.0</gravitee-common.version>
         <jjwt.version>0.9.1</jjwt.version>
-
-        <json-schema-generator-maven-plugin.version>1.1.0</json-schema-generator-maven-plugin.version>
-        <json-schema-generator-maven-plugin.outputDirectory>${project.build.directory}/schemas</json-schema-generator-maven-plugin.outputDirectory>
+        <bcprov-jdk15on.version>1.70</bcprov-jdk15on.version>
+        <jsonassert.version>1.4.0</jsonassert.version>
+        <jaxb-api.version>2.3.0</jaxb-api.version>
 
         <maven-assembly-plugin.version>2.5.5</maven-assembly-plugin.version>
+        <prettier-maven-plugin.version>0.19</prettier-maven-plugin.version>
         <publish-folder-path>graviteeio-apim/plugins/policies</publish-folder-path>
     </properties>
 
@@ -105,6 +106,14 @@
             <scope>provided</scope>
         </dependency>
 
+        <!-- Bouncycastle dependencies -->
+        <dependency>
+            <groupId>org.bouncycastle</groupId>
+            <artifactId>bcprov-jdk15on</artifactId>
+            <version>${bcprov-jdk15on.version}</version>
+            <scope>compile</scope>
+        </dependency>
+
         <!-- Logging -->
         <dependency>
             <groupId>org.slf4j</groupId>
@@ -121,7 +130,7 @@
         <dependency>
             <groupId>javax.xml.bind</groupId>
             <artifactId>jaxb-api</artifactId>
-            <version>2.3.0</version>
+            <version>${jaxb-api.version}</version>
         </dependency>
 
         <!-- Test scope -->
@@ -137,17 +146,10 @@
             <scope>test</scope>
         </dependency>
 
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>1.3.2</version>
-            <scope>test</scope>
-        </dependency>
-
         <dependency>
             <groupId>org.skyscreamer</groupId>
             <artifactId>jsonassert</artifactId>
-            <version>1.4.0</version>
+            <version>${jsonassert.version}</version>
             <scope>test</scope>
         </dependency>
 
@@ -157,25 +159,6 @@
             <version>${gravitee-apim.version}</version>
             <scope>test</scope>
         </dependency>
-
-        <dependency>
-            <groupId>commons-collections</groupId>
-            <artifactId>commons-collections</artifactId>
-            <version>3.2.2</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.bouncycastle</groupId>
-            <artifactId>bcprov-jdk15on</artifactId>
-            <version>1.70</version>
-            <scope>compile</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.xmlbeans</groupId>
-            <artifactId>xmlbeans</artifactId>
-            <version>3.1.0</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <build>
@@ -224,22 +207,10 @@
                     </execution>
                 </executions>
             </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-surefire-plugin</artifactId>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-javadoc-plugin</artifactId>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.11.0</version>
-            </plugin>
             <plugin>
                 <groupId>com.hubspot.maven.plugins</groupId>
                 <artifactId>prettier-maven-plugin</artifactId>
+                <version>${prettier-maven-plugin.version}</version>
             </plugin>
         </plugins>
     </build>
diff --git a/src/test/java/io/gravitee/policy/jws/JWSPolicyTest.java b/src/test/java/io/gravitee/policy/jws/JWSPolicyTest.java
index 0ef8956..10c6dec 100644
--- a/src/test/java/io/gravitee/policy/jws/JWSPolicyTest.java
+++ b/src/test/java/io/gravitee/policy/jws/JWSPolicyTest.java
@@ -45,7 +45,6 @@
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Objects;
-import org.apache.commons.io.IOUtils;
 import org.junit.*;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
@@ -407,11 +406,12 @@ private PrivateKey getPrivateKeyFromDerFile() throws Exception {
         return kf.generatePrivate(spec);
     }
 
-    private String loadResource(String resource) throws IOException {
-        InputStream is = this.getClass().getResourceAsStream(resource);
-        StringWriter sw = new StringWriter();
-        IOUtils.copy(is, sw, "UTF-8");
-        return sw.toString();
+    private String loadResource(String resource) {
+        try (InputStream is = this.getClass().getResourceAsStream(resource)) {
+            return new String(Objects.requireNonNull(is).readAllBytes(), StandardCharsets.UTF_8);
+        } catch (Exception e) {
+            return "";
+        }
     }
 
     private void encodeUInt32(int value, OutputStream out) throws IOException {