diff --git a/README.md b/README.md
index 65e596ae..e8adca9f 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,7 @@ next (snapshot) release, e.g. `1.1-SNAPSHOT` after releasing `1.0`.
 
 ## 2024-xx-yy 1.37
   * **fix**: Do not encode redundant maxlength in ROAs
+  * Use a more modern version of the jing (RelaxNG) library
   * Add support for router certificates to the time parsing in `SignedObjectUtil`.
   * Add withValidityPeriod to manifest and CRL builders
   * Add string representation for `RepositoryObjectType`
diff --git a/pom.xml b/pom.xml
index 33a0646c..ec172c8a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -148,9 +148,9 @@
             <scope>test</scope>
         </dependency>
         <dependency>
-            <groupId>com.thaiopensource</groupId>
+            <groupId>org.relaxng</groupId>
             <artifactId>jing</artifactId>
-            <version>20091111</version>
+            <version>20220510</version>
             <scope>test</scope>
             <exclusions>
                 <!-- Avoid bringing in some very old dependencies that are now part of the Java Platform anyway -->