diff --git a/CIMConnector/pom.xml b/CIMConnector/pom.xml
index 64fcce724..386ec6756 100644
--- a/CIMConnector/pom.xml
+++ b/CIMConnector/pom.xml
@@ -7,7 +7,7 @@
         <groupId>ch.ninecode.cim</groupId>
         <artifactId>CIMApplication</artifactId>
         <relativePath>../pom.xml</relativePath>
-        <version>2.11-2.2.0-2.3.9</version>
+        <version>2.11-2.1.2-2.3.9</version>
     </parent>
     <artifactId>CIMConnector</artifactId>
     <packaging>rar</packaging>
diff --git a/CIMEar/pom.xml b/CIMEar/pom.xml
index 174d2b21f..0f4e4d760 100644
--- a/CIMEar/pom.xml
+++ b/CIMEar/pom.xml
@@ -7,7 +7,7 @@
         <groupId>ch.ninecode.cim</groupId>
         <artifactId>CIMApplication</artifactId>
         <relativePath>../pom.xml</relativePath>
-        <version>2.11-2.2.0-2.3.9</version>
+        <version>2.11-2.1.2-2.3.9</version>
     </parent>
     <artifactId>CIMEar</artifactId>
     <packaging>ear</packaging>
diff --git a/CIMWeb/pom.xml b/CIMWeb/pom.xml
index 1229f8740..085fab562 100644
--- a/CIMWeb/pom.xml
+++ b/CIMWeb/pom.xml
@@ -7,7 +7,7 @@
         <groupId>ch.ninecode.cim</groupId>
         <artifactId>CIMApplication</artifactId>
         <relativePath>../pom.xml</relativePath>
-        <version>2.11-2.2.0-2.3.9</version>
+        <version>2.11-2.1.2-2.3.9</version>
     </parent>
     <artifactId>CIMWeb</artifactId>
     <packaging>war</packaging>
diff --git a/GridLAB-D/pom.xml b/GridLAB-D/pom.xml
index 5d5462dcd..7f158bd0e 100644
--- a/GridLAB-D/pom.xml
+++ b/GridLAB-D/pom.xml
@@ -7,7 +7,7 @@
         <artifactId>CIMApplication</artifactId>
         <groupId>ch.ninecode.cim</groupId>
         <relativePath>../pom.xml</relativePath>
-        <version>2.11-2.2.0-2.3.9</version>
+        <version>2.11-2.1.2-2.3.9</version>
     </parent>
     <artifactId>GridLAB-D</artifactId>
     <groupId>ch.ninecode.gl</groupId>
diff --git a/ShortCircuit/pom.xml b/ShortCircuit/pom.xml
index 2927a0b97..07b9e461a 100644
--- a/ShortCircuit/pom.xml
+++ b/ShortCircuit/pom.xml
@@ -7,7 +7,7 @@
         <artifactId>CIMApplication</artifactId>
         <groupId>ch.ninecode.cim</groupId>
         <relativePath>../pom.xml</relativePath>
-        <version>2.11-2.2.0-2.3.9</version>
+        <version>2.11-2.1.2-2.3.9</version>
     </parent>
     <artifactId>ShortCircuit</artifactId>
     <groupId>ch.ninecode.sc</groupId>
diff --git a/SmartMeter/pom.xml b/SmartMeter/pom.xml
index 1b2bc38fb..c68ca9ec1 100644
--- a/SmartMeter/pom.xml
+++ b/SmartMeter/pom.xml
@@ -7,7 +7,7 @@
         <artifactId>CIMApplication</artifactId>
         <groupId>ch.ninecode.cim</groupId>
         <relativePath>../pom.xml</relativePath>
-        <version>2.11-2.2.0-2.3.9</version>
+        <version>2.11-2.1.2-2.3.9</version>
     </parent>
     <artifactId>SmartMeter</artifactId>
     <groupId>ch.ninecode.sm</groupId>
diff --git a/Spatial/pom.xml b/Spatial/pom.xml
index 0efeee3f0..476e08cfa 100644
--- a/Spatial/pom.xml
+++ b/Spatial/pom.xml
@@ -7,7 +7,7 @@
         <groupId>ch.ninecode.cim</groupId>
         <artifactId>CIMApplication</artifactId>
         <relativePath>../pom.xml</relativePath>
-        <version>2.11-2.2.0-2.3.9</version>
+        <version>2.11-2.1.2-2.3.9</version>
     </parent>
     <groupId>ch.ninecode.sp</groupId>
     <artifactId>Spatial</artifactId>
diff --git a/pom.xml b/pom.xml
index bf2662bb3..814d71c69 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
     <groupId>ch.ninecode.cim</groupId>
     <artifactId>CIMApplication</artifactId>
     <!-- version>${version.dependency.scala}-${version.dependency.spark}-CIMAPPLICATION_VERSION</version -->
-    <version>2.11-2.2.0-2.3.9</version>
+    <version>2.11-2.1.2-2.3.9</version>
     <packaging>pom</packaging>
     <name>CIM Application Multimodule</name>
 
@@ -24,8 +24,8 @@
 
         <!-- Spark versions -->
         <version.dependency.hadoop>2.7.3</version.dependency.hadoop>
-        <version.dependency.spark>2.2.0</version.dependency.spark>
-        <version.dependency.cimreader>2.11-2.2.0-2.7.0</version.dependency.cimreader>
+        <version.dependency.spark>2.1.2</version.dependency.spark>
+        <version.dependency.cimreader>2.11-2.1.2-2.7.0</version.dependency.cimreader>
 
         <!-- test versions -->
         <version.dependency.junit>4.12</version.dependency.junit>