diff --git a/gradle.properties b/gradle.properties
index 65a8d45..8eac284 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,10 +1,10 @@
 group = org.xbib
 name = oai
-version = 2.3.0
+version = 2.3.1
 
 gradle.wrapper.version = 6.4.1
-xbib-content.version = 2.2.0
-xbib-netty-http.version = 4.1.49.1
-tcnative.version = 2.0.28.Final
+xbib-content.version = 2.4.0
+xbib-netty-http.version = 4.1.51.1
 xbib-marc.version = 2.3.0
 xbib-bibliographic-character-sets.version = 2.0.0
+tcnative.version = 2.0.31.Final
diff --git a/oai-common/build.gradle b/oai-common/build.gradle
index ba93ff7..ef91f94 100644
--- a/oai-common/build.gradle
+++ b/oai-common/build.gradle
@@ -1,4 +1,5 @@
 dependencies {
+    api "org.xbib:content-core:${project.property('xbib-content.version')}"
     api "org.xbib:content-rdf:${project.property('xbib-content.version')}"
     api "org.xbib:content-resource:${project.property('xbib-content.version')}"
     api "org.xbib:content-xml:${project.property('xbib-content.version')}"
diff --git a/oai-common/src/main/java/module-info.java b/oai-common/src/main/java/module-info.java
index 2a1ea79..0d70dc7 100644
--- a/oai-common/src/main/java/module-info.java
+++ b/oai-common/src/main/java/module-info.java
@@ -4,6 +4,7 @@ module org.xbib.oai {
     exports org.xbib.oai.rdf;
     exports org.xbib.oai.util;
     exports org.xbib.oai.xml;
+    requires org.xbib.content.core;
     requires org.xbib.content.rdf;
     requires org.xbib.content.resource;
     requires org.xbib.content.xml;