diff --git a/changes.md b/changes.md
index 64e8191859..a90a868004 100644
--- a/changes.md
+++ b/changes.md
@@ -4,6 +4,8 @@ Changes log
 - 2.7.1 (??-??-2026)
   - Misc
     - Upgraded Jetty library to version 12.1.14. Issue #1515.
+    - Upgraded Jackson library to version 2.22.4.
+    - Upgraded org.json library to version 20260814.
   - Bugs fixed
     - Slf4j bridge reports wrong line number and caller class in log4j. Issue #233.
     - When GET is an allowed method of a server resource, HEAD is now also listed (e.g. in the Allow header of a 405 response). Issue #266.
diff --git a/org.restlet/src/main/java/org/restlet/engine/connector/HttpClientHelper.java b/org.restlet/src/main/java/org/restlet/engine/connector/HttpClientHelper.java
index 62efb70208..6506b43823 100644
--- a/org.restlet/src/main/java/org/restlet/engine/connector/HttpClientHelper.java
+++ b/org.restlet/src/main/java/org/restlet/engine/connector/HttpClientHelper.java
@@ -238,9 +238,8 @@ public HttpClientHelper(Client client) {
         getProtocols().add(Protocol.HTTP);
         getProtocols().add(Protocol.HTTPS);
         this.authenticationStore = null;
-        this.cookieStore = isCookieSupported()
-                ? new HttpCookieStore.Default()
-                : new HttpCookieStore.Empty();
+        this.cookieStore =
+                isCookieSupported() ? new HttpCookieStore.Default() : new HttpCookieStore.Empty();
         this.executor = null;
     }
 
@@ -252,9 +251,9 @@ public HttpClientHelper(Client client) {
      */
     public ClientCall create(Request request) {
         return new JettyClientCall(
-                        this,
-                        request.getMethod().toString(),
-                        ReferenceUtils.update(request.getResourceRef(), request).toString());
+                this,
+                request.getMethod().toString(),
+                ReferenceUtils.update(request.getResourceRef(), request).toString());
     }
 
     /**
diff --git a/pom.xml b/pom.xml
index 6a73900d0f..3ca37261d0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -53,11 +53,11 @@
         <!-- dependencies -->
         <lib-freemarker-version>2.3.35</lib-freemarker-version>
         <lib-gson-version>2.14.0</lib-gson-version>
-        <lib-jackson-version>2.22.3</lib-jackson-version>
+        <lib-jackson-version>2.22.4</lib-jackson-version>
         <lib-jackson-annotations-version>2.22</lib-jackson-annotations-version>
         <lib-joda-time-version>2.14.2</lib-joda-time-version>
         <lib-jetty-version>12.1.14</lib-jetty-version>
-        <lib-json-version>20260522</lib-json-version>
+        <lib-json-version>20260814</lib-json-version>
         <lib-log4j-version>1.2.17</lib-log4j-version>
         <lib-hamcrest-version>1.3</lib-hamcrest-version>
         <lib-osgi-version>4.3.1</lib-osgi-version>
@@ -132,7 +132,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
-                        <version>3.2.7</version>
+                        <version>3.2.8</version>
                         <executions>
                             <execution>
                                 <id>sign-artifacts</id>
@@ -188,7 +188,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
-                        <version>3.2.7</version>
+                        <version>3.2.8</version>
                         <executions>
                             <execution>
                                 <id>sign-artifacts</id>
@@ -209,7 +209,7 @@
                     <plugin>
                         <groupId>org.sonatype.central</groupId>
                         <artifactId>central-publishing-maven-plugin</artifactId>
-                        <version>0.9.0</version>
+                        <version>0.12.0</version>
                         <extensions>true</extensions>
                         <configuration>
                             <publishingServerId>central</publishingServerId>
@@ -218,7 +218,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-enforcer-plugin</artifactId>
-                        <version>3.5.0</version>
+                        <version>3.6.3</version>
                         <executions>
                             <execution>
                                 <id>enforce</id>
@@ -242,7 +242,7 @@
                             <dependency>
                                 <groupId>org.kordamp.maven</groupId>
                                 <artifactId>pomchecker-enforcer-rules</artifactId>
-                                <version>1.14.0</version>
+                                <version>1.15.0</version>
                             </dependency>
                         </dependencies>
                     </plugin>
@@ -357,7 +357,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>3.3.0</version>
+                <version>3.10.4</version>
                 <configuration>
                     <java>
                         <!-- These are the defaults, you can override if you want -->
@@ -404,7 +404,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-compiler-plugin</artifactId>
-                    <version>3.13.0</version>
+                    <version>3.16.0</version>
                     <configuration>
                         <encoding>UTF-8</encoding>
                         <source>${java.version}</source>
@@ -414,7 +414,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-javadoc-plugin</artifactId>
-                    <version>3.6.3</version>
+                    <version>3.12.0</version>
                     <configuration>
                         <additionalJOptions>
                             <additionalJOption>${javadoc.opts}</additionalJOption>
@@ -424,47 +424,47 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-site-plugin</artifactId>
-                    <version>3.12.1</version>
+                    <version>3.22.0</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-source-plugin</artifactId>
-                    <version>3.3.1</version>
+                    <version>3.4.0</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-jar-plugin</artifactId>
-                    <version>3.4.1</version>
+                    <version>3.5.1</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-surefire-plugin</artifactId>
-                    <version>3.2.5</version>
+                    <version>3.6.0</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-dependency-plugin</artifactId>
-                    <version>3.6.1</version>
+                    <version>3.11.0</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-clean-plugin</artifactId>
-                    <version>3.3.2</version>
+                    <version>3.5.0</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-resources-plugin</artifactId>
-                    <version>3.3.1</version>
+                    <version>3.5.0</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-install-plugin</artifactId>
-                    <version>3.1.2</version>
+                    <version>3.2.0</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-release-plugin</artifactId>
-                    <version>3.0.1</version>
+                    <version>3.3.1</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.felix</groupId>