Fix version of core used by mongodb and splunk.
diff --git a/mongodb/pom.xml b/mongodb/pom.xml
index d061f39..ae45d10 100644
--- a/mongodb/pom.xml
+++ b/mongodb/pom.xml
@@ -16,12 +16,12 @@
     <dependency>
       <groupId>net.hydromatic</groupId>
       <artifactId>optiq-core</artifactId>
-      <version>0.4.13-SNAPSHOT</version>
+      <version>0.4.12.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>net.hydromatic</groupId>
       <artifactId>optiq-core</artifactId>
-      <version>0.4.13-SNAPSHOT</version>
+        <version>0.4.12.1-SNAPSHOT</version>
       <type>test-jar</type>
       <scope>test</scope>
     </dependency>
diff --git a/splunk/pom.xml b/splunk/pom.xml
index 6814a00..55d3310 100644
--- a/splunk/pom.xml
+++ b/splunk/pom.xml
@@ -16,7 +16,7 @@
     <dependency>
       <groupId>net.hydromatic</groupId>
       <artifactId>optiq-core</artifactId>
-      <version>0.4.13-SNAPSHOT</version>
+      <version>0.4.12.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>net.sf.opencsv</groupId>