diff --git a/omtd-share-annotations-api/src/main/java/eu/openminted/share/annotations/api/ResourceInput.java b/omtd-share-annotations-api/src/main/java/eu/openminted/share/annotations/api/ResourceInput.java
index eeedec2..a11c22b 100644
--- a/omtd-share-annotations-api/src/main/java/eu/openminted/share/annotations/api/ResourceInput.java
+++ b/omtd-share-annotations-api/src/main/java/eu/openminted/share/annotations/api/ResourceInput.java
@@ -39,6 +39,6 @@
     String[] encoding() default {};
     Language[] language() default {};
     String[] annotationLevel() default {};
-    String[] keyword() default {};
+    @Deprecated String[] keyword() default {};
     DataFormat[] dataFormat() default {};
 }
diff --git a/omtd-share-annotations-api/src/main/java/eu/openminted/share/annotations/api/ResourceOutput.java b/omtd-share-annotations-api/src/main/java/eu/openminted/share/annotations/api/ResourceOutput.java
index 1dacfcc..c8a41a2 100644
--- a/omtd-share-annotations-api/src/main/java/eu/openminted/share/annotations/api/ResourceOutput.java
+++ b/omtd-share-annotations-api/src/main/java/eu/openminted/share/annotations/api/ResourceOutput.java
@@ -39,6 +39,6 @@
     String[] encoding() default {};
     Language[] language() default {};
     String[] annotationLevel() default {};
-    String[] keyword() default {};
+    @Deprecated String[] keyword() default {};
     DataFormat[] dataFormat() default {};
 }