diff --git a/common/src/main/jdk9/module-info.java b/common/src/main/jdk9/module-info.java
index b7f5f2e7..79931cf6 100644
--- a/common/src/main/jdk9/module-info.java
+++ b/common/src/main/jdk9/module-info.java
@@ -29,11 +29,12 @@
  */
 module systems.uom.common {
     requires transitive java.measure;
-    requires transitive si.uom.quantity;
-    requires transitive si.uom.units;
-    requires transitive tech.units.indriya;
+    requires transitive si.uom.quantity;       
+    requires transitive tech.uom.lib.common;
     requires transitive java.annotation;
     requires transitive systems.uom.quantity;
+    requires tech.units.indriya;
+    requires si.uom.units;
     
     exports systems.uom.common;
     exports systems.uom.common.ancient;
diff --git a/pom.xml b/pom.xml
index c0bd5ad1..babf2bf9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,8 +30,8 @@
 	<properties>
 		<jdkVersion>1.8</jdkVersion>
 		<jsr.version>2.0</jsr.version>
-		<lib.version>2.0</lib.version>
-		<ri.version>2.0.2</ri.version>
+		<lib.version>2.0.2-SNAPSHOT</lib.version>
+		<ri.version>2.0.5-SNAPSHOT</ri.version>
 		<si.version>2.1-SNAPSHOT</si.version>
 		<quantity.version>2.0.2</quantity.version><!-- only need to change when new quantities added -->
 		<systems.version>2.1-SNAPSHOT</systems.version>
diff --git a/src/main/config/uom-systems clean install.launch b/src/main/config/uom-systems clean install.launch
index 5e5dfcf6..fdc0ef42 100644
--- a/src/main/config/uom-systems clean install.launch	
+++ b/src/main/config/uom-systems clean install.launch	
@@ -17,6 +17,6 @@
         <listEntry value="org.eclipse.debug.ui.launchGroup.run"/>
     </listAttribute>
     <booleanAttribute key="org.eclipse.jdt.launching.ATTR_USE_CLASSPATH_ONLY_JAR" value="false"/>
-    <stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
+    <stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-14"/>
     <stringAttribute key="org.eclipse.jdt.launching.WORKING_DIRECTORY" value="${project_loc:systems-parent}"/>
 </launchConfiguration>
diff --git a/toolchains - Kopie.xml b/toolchains - Kopie.xml
new file mode 100644
index 00000000..b7f54e7b
--- /dev/null
+++ b/toolchains - Kopie.xml	
@@ -0,0 +1,77 @@
+    <toolchains>
+	<!--
+      <toolchain>
+        <type>jdk</type>
+        <provides>
+          <version>1.7</version>
+        </provides>
+        <configuration>
+          <jdkHome>C:\Program Files\Java\jdk1.7.0_76</jdkHome>
+        </configuration>
+      </toolchain>
+	  -->
+      <toolchain>
+        <type>jdk</type>
+        <provides>
+          <version>8</version>
+        </provides>
+        <configuration>
+          <jdkHome>C:\Program Files\Java\jdk1.8.0_221</jdkHome>
+        </configuration>
+      </toolchain>
+	
+	  <toolchain>
+        <type>jdk</type>
+        <provides>
+          <version>9</version>
+        </provides>
+        <configuration>
+          <jdkHome>C:\Program Files\Java\jdk-9.0.4</jdkHome>
+        </configuration>
+      </toolchain>
+	  <toolchain>
+        <type>jdk</type>
+        <provides>
+          <version>10</version>
+        </provides>
+        <configuration>
+          <jdkHome>C:\Program Files\Java\jdk-10.0.1</jdkHome>
+        </configuration>
+      </toolchain>
+      <toolchain>
+        <type>jdk</type>
+        <provides>
+          <version>11</version>
+        </provides>
+        <configuration>
+          <jdkHome>C:\Program Files\AdoptOpenJDK\jdk-11.0.6.10-hotspot</jdkHome>
+        </configuration>
+      </toolchain>
+	  <toolchain>
+        <type>jdk</type>
+        <provides>
+          <version>12</version>
+        </provides>
+        <configuration>
+          <jdkHome>C:\Program Files\Java\jdk-12.0.2</jdkHome>
+        </configuration>
+      </toolchain>
+	  <toolchain>
+        <type>jdk</type>
+        <provides>
+          <version>13</version>
+        </provides>
+        <configuration>
+          <jdkHome>C:\Program Files\AdoptOpenJDK\jdk-13.0.2.8-hotspot</jdkHome>
+        </configuration>
+      </toolchain>
+	  <toolchain>
+        <type>jdk</type>
+        <provides>
+          <version>14</version>
+        </provides>
+        <configuration>
+          <jdkHome>C:\Program Files\AdoptOpenJDK\jdk-14.0.0.36-hotspot</jdkHome>
+        </configuration>
+      </toolchain>
+    </toolchains>
\ No newline at end of file
diff --git a/ucum/src/main/java/systems/uom/ucum/UCUM.java b/ucum/src/main/java/systems/uom/ucum/UCUM.java
index 7e5ff014..8f9da45e 100644
--- a/ucum/src/main/java/systems/uom/ucum/UCUM.java
+++ b/ucum/src/main/java/systems/uom/ucum/UCUM.java
@@ -760,10 +760,17 @@ public static UCUM getInstance() {
     public static final Unit<Dimensionless> HIGH_POWER_FIELD = addUnit(ONE);
     public static final Unit<Dimensionless> LOW_POWER_FIELD = addUnit(ONE.multiply(100));
 
-    public static final Unit KATAL = addUnit(MOLE.divide(SECOND));
-    public static final Unit UNIT = addUnit(MICRO(MOLE).divide(MINUTE));
+	/**
+	 * The SI unit for catalytic activity (standard name <code>kat</code>).
+	 */
+	public static final Unit<CatalyticActivity> KATAL = addUnit(Units.KATAL);
 
-    // public static final Unit INTERNATIONAL_UNIT = UNDEFINED;
+    public static final Unit<CatalyticActivity> UNIT = addUnit(MICRO(MOLE).divide(MINUTE).asType(CatalyticActivity.class));
+
+    public static final Unit<Dimensionless> INTERNATIONAL_UNIT = addUnit(new AlternateUnit<Dimensionless>(ONE, "IU"), "International Unit", "IU");
+    
+    public static final Unit<Dimensionless> INTERNATIONAL_UNIT_UC = addUnit(new AlternateUnit<Dimensionless>(INTERNATIONAL_UNIT, "i.U."), "International Unit", "i.U.");
+    
     // public static final Unit ARBITRARY_UNIT = UNDEFINED;
     // public static final Unit US_PHARMACOPEIA = UNDEFINED;
     // public static final Unit GPL = UNDEFINED;
diff --git a/ucum/src/main/java/systems/uom/ucum/format/UCUMFormat.java b/ucum/src/main/java/systems/uom/ucum/format/UCUMFormat.java
index b089ede7..ba197722 100644
--- a/ucum/src/main/java/systems/uom/ucum/format/UCUMFormat.java
+++ b/ucum/src/main/java/systems/uom/ucum/format/UCUMFormat.java
@@ -147,8 +147,7 @@ public static UCUMFormat getInstance(Variant variant, SymbolMap symbolMap) {
      * Get the symbol map used by this instance to map between {@link AbstractUnit Unit}s and <code>String</code>s, etc...
      * 
      * @return SymbolMap the current symbol map
-     */
-    @Override
+     */    
     protected SymbolMap getSymbols() {
         return symbolMap;
     }
diff --git a/ucum/src/main/jdk9/systems/uom/ucum/format/UCUMFormat.java b/ucum/src/main/jdk9/systems/uom/ucum/format/UCUMFormat.java
index 14529a3c..2a0bcce9 100644
--- a/ucum/src/main/jdk9/systems/uom/ucum/format/UCUMFormat.java
+++ b/ucum/src/main/jdk9/systems/uom/ucum/format/UCUMFormat.java
@@ -148,7 +148,6 @@ public static UCUMFormat getInstance(Variant variant, SymbolMap symbolMap) {
      * 
      * @return SymbolMap the current symbol map
      */
-    @Override
     protected SymbolMap getSymbols() {
         return symbolMap;
     }
diff --git a/ucum/src/test/java/systems/uom/ucum/SystemOfUnitsServiceTest.java b/ucum/src/test/java/systems/uom/ucum/SystemOfUnitsServiceTest.java
index 4af2fd62..ba2f89f9 100644
--- a/ucum/src/test/java/systems/uom/ucum/SystemOfUnitsServiceTest.java
+++ b/ucum/src/test/java/systems/uom/ucum/SystemOfUnitsServiceTest.java
@@ -43,7 +43,7 @@
 
 public class SystemOfUnitsServiceTest {
     private static final String EXPECTED_SYSTEM_NAME = "Unified Code for Units of Measure";
-    private static final int NUM_OF_UNITS = 245;
+    private static final int NUM_OF_UNITS = 247;
 
     private static SystemOfUnitsService defaultService;
 
diff --git a/unicode/src/main/jdk9/module-info.java b/unicode/src/main/jdk9/module-info.java
index 4e4dd2ad..417bbdda 100644
--- a/unicode/src/main/jdk9/module-info.java
+++ b/unicode/src/main/jdk9/module-info.java
@@ -29,9 +29,10 @@
  */
 module systems.uom.unicode {
     requires transitive java.measure;
-    requires transitive tech.units.indriya;
+    requires transitive tech.uom.lib.common;
     requires transitive systems.uom.quantity;
-    
+    requires tech.units.indriya;
+        
     exports systems.uom.unicode;
     exports systems.uom.unicode.spi;
     
diff --git a/unicode/src/test/java/systems/uom/unicode/SystemOfUnitsServiceTest.java b/unicode/src/test/java/systems/uom/unicode/SystemOfUnitsServiceTest.java
index 3a95c7ac..2cac4621 100644
--- a/unicode/src/test/java/systems/uom/unicode/SystemOfUnitsServiceTest.java
+++ b/unicode/src/test/java/systems/uom/unicode/SystemOfUnitsServiceTest.java
@@ -42,7 +42,7 @@
 import org.junit.jupiter.api.Test;
 
 public class SystemOfUnitsServiceTest {
-	private static final int NUM_OF_UNITS = 43;
+	private static final int NUM_OF_UNITS = 44;
 	private static final int NUM_OF_UNITS_CLDR = 96;
 
 	private static SystemOfUnitsService defaultService;