diff --git a/README.md b/README.md
index 991c17a..12e5439 100644
--- a/README.md
+++ b/README.md
@@ -122,9 +122,9 @@ There is this [example repository](https://github.com/bayer-science-for-a-better
 
 ## Compatibility
 
-GraMi version >= 0.1.0 is tested for:
-- [grakn-core](https://github.com/graknlabs/grakn) >= 2.0-alpha-6
-- [client-java](https://github.com/graknlabs/client-java) >= 2.0.0-alpha-8
+GraMi version >= 0.1.0-alpha-12 is tested for:
+- [grakn-core](https://github.com/graknlabs/grakn) >= 2.0-alpha-9
+- using [client-java](https://github.com/graknlabs/client-java) >= 2.0.0-alpha-12
 
 GraMi version < 0.1.0 is tested for: 
  - [grakn-core](https://github.com/graknlabs/grakn) >= 1.8.2 
diff --git a/build.gradle b/build.gradle
index 759f573..e37b550 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ plugins {
 }
 
 group 'com.github.bayer-science-for-a-better-life'
-version '0.1.0-alpha-9'
+version '0.1.0-alpha-12'
 
 repositories {
     mavenCentral()
@@ -15,7 +15,7 @@ repositories {
 }
 
 dependencies {
-    compile group: 'io.grakn.client', name: 'grakn-client', version: '2.0.0-alpha-9'
+    compile group: 'io.grakn.client', name: 'grakn-client', version: '2.0.0-alpha-12'
     testCompile group: 'junit', name: 'junit', version: '4.12'
     compile 'com.google.code.gson:gson:2.8.6'
     compile group: 'org.slf4j', name: 'slf4j-api', version: '1.7.25'
diff --git a/src/main/java/insert/GraknInserter.java b/src/main/java/insert/GraknInserter.java
index 616bd95..8ef491f 100644
--- a/src/main/java/insert/GraknInserter.java
+++ b/src/main/java/insert/GraknInserter.java
@@ -134,7 +134,7 @@ public GraknClient getClient() {
 
     private void deleteDatabaseIfExists(GraknClient client) {
         if (client.databases().contains(databaseName)) {
-            client.databases().delete(databaseName);
+            client.databases().get(databaseName).delete();
         }
     }