diff --git a/bundles/org.openhab.binding.smartmeter/pom.xml b/bundles/org.openhab.binding.smartmeter/pom.xml
index b2e6537a9..54131d553 100644
--- a/bundles/org.openhab.binding.smartmeter/pom.xml
+++ b/bundles/org.openhab.binding.smartmeter/pom.xml
@@ -18,13 +18,13 @@
     <dependency>
       <groupId>io.reactivex.rxjava2</groupId>
       <artifactId>rxjava</artifactId>
-      <version>2.2.3</version>
+      <version>2.2.21</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
       <groupId>org.reactivestreams</groupId>
       <artifactId>reactive-streams</artifactId>
-      <version>1.0.2</version>
+      <version>1.0.4</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
@@ -36,8 +36,14 @@
     <dependency>
       <groupId>org.openmuc</groupId>
       <artifactId>j62056</artifactId>
-      <version>2.1.0</version>
+      <version>2.2.0</version>
       <scope>compile</scope>
+      <exclusions>
+        <exclusion>
+          <groupId>org.openmuc</groupId>
+          <artifactId>jrxtx</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
   </dependencies>
 
@@ -54,7 +60,7 @@
             <phase>generate-sources</phase>
             <configuration>
               <sources>
-                <source>src/3rdparty</source>
+                <source>src/3rdparty/java</source>
               </sources>
             </configuration>
           </execution>
diff --git a/bundles/org.openhab.binding.smartmeter/src/test/java/org/openhab/binding/smartmeter/TestMeterReading.java b/bundles/org.openhab.binding.smartmeter/src/test/java/org/openhab/binding/smartmeter/TestMeterReading.java
index 32ea25ca4..c80acdc8f 100644
--- a/bundles/org.openhab.binding.smartmeter/src/test/java/org/openhab/binding/smartmeter/TestMeterReading.java
+++ b/bundles/org.openhab.binding.smartmeter/src/test/java/org/openhab/binding/smartmeter/TestMeterReading.java
@@ -54,10 +54,10 @@ public class TestMeterReading {
         MeterDevice<Object> meter = getMeterDevice(connector);
         MeterValueListener changeListener = Mockito.mock(MeterValueListener.class);
         meter.addValueChangeListener(changeListener);
-        Disposable disposable = meter.readValues(5000, Executors.newScheduledThreadPool(1), period);
+        long executionTime = period.toMillis() * executionCount;
+        Disposable disposable = meter.readValues(executionTime, Executors.newScheduledThreadPool(1), period);
         try {
-            verify(changeListener, after(executionCount * period.toMillis() + period.toMillis() / 2).never())
-                    .errorOccurred(any());
+            verify(changeListener, after(executionTime + period.toMillis() / 2 + 50).never()).errorOccurred(any());
             verify(changeListener, times(executionCount)).valueChanged(any());
         } finally {
             disposable.dispose();
@@ -90,7 +90,7 @@ public class TestMeterReading {
         final int timeout = 5000;
         MockMeterReaderConnector connector = spy(getMockedConnector(true, () -> {
             try {
-                Thread.sleep(timeout + 2000);
+                Thread.sleep(timeout);
             } catch (InterruptedException e) {
             }
             return new Object();
@@ -98,9 +98,9 @@ public class TestMeterReading {
         MeterDevice<Object> meter = getMeterDevice(connector);
         MeterValueListener changeListener = Mockito.mock(MeterValueListener.class);
         meter.addValueChangeListener(changeListener);
-        Disposable disposable = meter.readValues(5000, Executors.newScheduledThreadPool(2), period);
+        Disposable disposable = meter.readValues(timeout / 2, Executors.newScheduledThreadPool(2), period);
         try {
-            verify(changeListener, after(timeout + 3000).times(1)).errorOccurred(any(TimeoutException.class));
+            verify(changeListener, timeout(timeout)).errorOccurred(any(TimeoutException.class));
         } finally {
             disposable.dispose();
         }
@@ -112,7 +112,7 @@ public class TestMeterReading {
         final int timeout = 5000;
         MockMeterReaderConnector connector = spy(getMockedConnector(true, () -> {
             try {
-                Thread.sleep(timeout + 2000);
+                Thread.sleep(timeout);
             } catch (InterruptedException e) {
             }
             throw new RuntimeException(new IOException("fucked up"));
@@ -122,9 +122,9 @@ public class TestMeterReading {
         RxJavaPlugins.setErrorHandler(errorHandler);
         MeterValueListener changeListener = Mockito.mock(MeterValueListener.class);
         meter.addValueChangeListener(changeListener);
-        Disposable disposable = meter.readValues(5000, Executors.newScheduledThreadPool(2), period);
+        Disposable disposable = meter.readValues(timeout / 2, Executors.newScheduledThreadPool(2), period);
         try {
-            verify(changeListener, after(timeout + 3000).times(1)).errorOccurred(any(TimeoutException.class));
+            verify(changeListener, timeout(timeout)).errorOccurred(any(TimeoutException.class));
             verifyNoMoreInteractions(errorHandler);
         } finally {
             disposable.dispose();