diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2dd9750..1b4bfb5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 History
 =======
 
-0.2.0 (2020-02)
+0.2.1 (2020-02)
 ------------------
 
 * Schemas naming refactor
diff --git a/pom.xml b/pom.xml
index c9175c8..c61e45d 100755
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
     <groupId>io.keyko.monitoring</groupId>
     <artifactId>schemas</artifactId>
     <packaging>jar</packaging>
-    <version>0.2.0</version>
+    <version>0.2.1</version>
     <name>Web3 Monitoring Schemas</name>
     <url>https://github.com/keyko-io/web3-monitoring-schemas</url>
 
diff --git a/src/main/resources/avro/AlertRecord.avsc b/src/main/resources/avro/AlertRecord.avsc
index b907516..82836fe 100644
--- a/src/main/resources/avro/AlertRecord.avsc
+++ b/src/main/resources/avro/AlertRecord.avsc
@@ -26,8 +26,8 @@
 		},
 		{
 			"name": "timestamp",
-			"type": "string",
-			"java-class": "timestamp-millis"
+            "type": "long",
+			"logicalType": "timestamp-millis"
 		},
 		{
 			"name": "description",
diff --git a/src/main/resources/avro/BlockDetailsRecord.avsc b/src/main/resources/avro/BlockDetailsRecord.avsc
index 8b58a3c..9a8632f 100644
--- a/src/main/resources/avro/BlockDetailsRecord.avsc
+++ b/src/main/resources/avro/BlockDetailsRecord.avsc
@@ -13,8 +13,8 @@
 		},
 		{
 			"name": "timestamp",
-			"type": "string",
-			"java-class": "timestamp-millis"
+			"type": "long",
+			"logicalType": "timestamp-millis"
 		},
 		{
 			"name": "nodeName",