diff --git a/annotation/src/main/java/lcsb/mapviewer/annotation/services/PubmedParser.java b/annotation/src/main/java/lcsb/mapviewer/annotation/services/PubmedParser.java
index 3a7d65c3169f06a0da280f4e0f2f1621c0f068bc..4c2ea656faff5c2618285c743db096871c2f513f 100644
--- a/annotation/src/main/java/lcsb/mapviewer/annotation/services/PubmedParser.java
+++ b/annotation/src/main/java/lcsb/mapviewer/annotation/services/PubmedParser.java
@@ -54,7 +54,7 @@ public class PubmedParser extends CachableInterface implements IExternalService
 	/**
 	 * Version of the remote API thnat is supported by this connecting class.
 	 */
-	static final String						 SUPPORTED_VERSION				= "5.0";
+	static final String						 SUPPORTED_VERSION				= "5.2.1";
 
 	/**
 	 * Connector used for accessing data from miriam registry.
diff --git a/persist/src/db/11/fix_db_20170630.sql b/persist/src/db/11/fix_db_20170630.sql
index b5930e3887efefa5ce3762c0f3bdb4faac9b6847..43755aba7474cc342d927bd4a54017762404bff1 100644
--- a/persist/src/db/11/fix_db_20170630.sql
+++ b/persist/src/db/11/fix_db_20170630.sql
@@ -1,2 +1,5 @@
 -- ensembl api version changed
 delete from cachequery where type in (select iddb from cache_type  where classname='lcsb.mapviewer.annotation.services.annotators.EnsemblAnnotator');
+
+-- pubmed api version changed
+delete from cachequery where type in (select iddb from cache_type  where classname='lcsb.mapviewer.annotation.services.PubmedParser');