diff --git a/build.gradle b/build.gradle
index 7f932a142..6f75687b8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,7 +17,7 @@ plugins {
 
 ext.developmentVersion = getProperty('developmentVersion','0.32.1-SNAPSHOT')
 
-ext.opentracingVersion = getProperty('opentracingVersion','0.31.0')
+ext.opentracingVersion = getProperty('opentracingVersion','0.32.0-RC1')
 ext.guavaVersion = getProperty('guavaVersion','18.0')
 ext.apacheThriftVersion = getProperty('apacheThriftVersion','0.11.0')
 ext.jerseyVersion = getProperty('jerseyVersion','2.22.2')
diff --git a/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerSpan.java b/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerSpan.java
index 695a76e8e..f53d5a7ea 100644
--- a/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerSpan.java
+++ b/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerSpan.java
@@ -17,6 +17,7 @@
 
 import io.opentracing.Span;
 import io.opentracing.log.Fields;
+import io.opentracing.tag.Tag;
 import io.opentracing.tag.Tags;
 import java.io.PrintWriter;
 import java.io.StringWriter;
@@ -206,6 +207,11 @@ public synchronized JaegerSpan setTag(String key, Number value) {
     return setTagAsObject(key, value);
   }
 
+  @Override
+  public synchronized <T> Span setTag(Tag<T> tag, T value) {
+    return setTagAsObject(tag.getKey(), value);
+  }
+
   private JaegerSpan setTagAsObject(String key, Object value) {
     if (key.equals(Tags.SAMPLING_PRIORITY.getKey()) && (value instanceof Number)) {
       int priority = ((Number) value).intValue();
diff --git a/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerSpanContext.java b/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerSpanContext.java
index 2cae01d86..185c102e5 100644
--- a/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerSpanContext.java
+++ b/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerSpanContext.java
@@ -170,4 +170,14 @@ boolean hasTrace() {
   String getDebugId() {
     return debugId;
   }
+
+  @Override
+  public String toTraceId() {
+    return this.getTraceId();
+  }
+
+  @Override
+  public String toSpanId() {
+    return Long.toHexString(this.getSpanId());
+  }
 }
diff --git a/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerTracer.java b/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerTracer.java
index 5cefe5ab0..26816af68 100644
--- a/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerTracer.java
+++ b/jaeger-core/src/main/java/io/jaegertracing/internal/JaegerTracer.java
@@ -42,6 +42,7 @@
 import io.opentracing.SpanContext;
 import io.opentracing.Tracer;
 import io.opentracing.propagation.Format;
+import io.opentracing.tag.Tag;
 import io.opentracing.tag.Tags;
 import io.opentracing.util.ThreadLocalScopeManager;
 import java.io.Closeable;
@@ -293,6 +294,24 @@ public JaegerTracer.SpanBuilder withTag(String key, Number value) {
       return this;
     }
 
+    @Override
+    public <T> Tracer.SpanBuilder withTag(Tag<T> tag, T value) {
+      if (value instanceof Number) {
+        return this.withTag(tag.getKey(), (Number) value);
+      }
+
+      if (value instanceof String) {
+        return this.withTag(tag.getKey(), (String) value);
+      }
+
+      if (value instanceof Boolean) {
+        return this.withTag(tag.getKey(), (Boolean) value);
+      }
+
+      this.tags.put(tag.getKey(), value);
+      return this;
+    }
+
     @Override
     public JaegerTracer.SpanBuilder withStartTimestamp(long microseconds) {
       this.startTimeMicroseconds = microseconds;
@@ -478,6 +497,7 @@ public JaegerSpan startManual() {
     private JaegerObjectFactory getObjectFactory() {
       return JaegerTracer.this.objectFactory;
     }
+
   }
 
   /**
@@ -686,4 +706,9 @@ boolean isExpandExceptionLogs() {
   public boolean isUseTraceId128Bit() {
     return this.useTraceId128Bit;
   }
+
+  @Override
+  public Scope activateSpan(Span span) {
+    return scopeManager().activate(span);
+  }
 }
diff --git a/jaeger-core/src/test/java/io/jaegertracing/internal/ActiveSpanTest.java b/jaeger-core/src/test/java/io/jaegertracing/internal/ActiveSpanTest.java
index f57898dc3..319ba45bf 100644
--- a/jaeger-core/src/test/java/io/jaegertracing/internal/ActiveSpanTest.java
+++ b/jaeger-core/src/test/java/io/jaegertracing/internal/ActiveSpanTest.java
@@ -51,6 +51,13 @@ public void testActiveSpan() {
     assertEquals(mockSpan, tracer.activeSpan());
   }
 
+  @Test
+  public void testActivateSpan() {
+    JaegerSpan mockSpan = Mockito.mock(JaegerSpan.class);
+    tracer.activateSpan(mockSpan);
+    assertEquals(mockSpan, tracer.activeSpan());
+  }
+
   @Test
   public void testActiveSpanPropagation() {
     try (Scope parent = tracer.buildSpan("parent").startActive(true)) {
@@ -158,12 +165,23 @@ public Scope activate(Span span, boolean finishSpanOnClose) {
             return scope;
           }
 
+          @Override
+          public Scope activate(Span span) {
+            return activate(span, false);
+          }
+
           @Override
           public Scope active() {
             return scope;
           }
+
+          @Override
+          public Span activeSpan() {
+            return null;
+          }
         }).build();
     assertEquals(scope, tracer.scopeManager().active());
+    assertEquals(scope, tracer.scopeManager().activate(mock(Span.class)));
   }
 
 
diff --git a/jaeger-core/src/test/java/io/jaegertracing/internal/JaegerSpanTest.java b/jaeger-core/src/test/java/io/jaegertracing/internal/JaegerSpanTest.java
index 843c0fc5e..acb4f9f8d 100644
--- a/jaeger-core/src/test/java/io/jaegertracing/internal/JaegerSpanTest.java
+++ b/jaeger-core/src/test/java/io/jaegertracing/internal/JaegerSpanTest.java
@@ -37,6 +37,10 @@
 import io.opentracing.SpanContext;
 import io.opentracing.log.Fields;
 import io.opentracing.noop.NoopSpan;
+import io.opentracing.tag.AbstractTag;
+import io.opentracing.tag.BooleanTag;
+import io.opentracing.tag.IntTag;
+import io.opentracing.tag.StringTag;
 import io.opentracing.tag.Tags;
 import java.io.PrintWriter;
 import java.io.StringWriter;
@@ -154,6 +158,35 @@ public void testSetNumberTag() {
     assertEquals(expected, jaegerSpan.getTags().get(key));
   }
 
+  @Test
+  public void testSetTag() {
+    jaegerSpan.setTag(new StringTag("stringTag"), "stringTagValue")
+              .setTag(new IntTag("numberTag"), 1)
+              .setTag(new BooleanTag("booleanTag"), true)
+              .setTag(new AbstractTag<Object>("objectTag") {
+                @Override
+                public void set(Span span, Object tagValue) {
+                }
+              }, this);
+
+    Map<String, Object> tags = jaegerSpan.getTags();
+    assertEquals("stringTagValue", tags.get("stringTag"));
+    assertEquals(1, tags.get("numberTag"));
+    assertEquals(true, tags.get("booleanTag"));
+    assertEquals(this, tags.get("objectTag"));
+  }
+
+  @Test
+  public void testToTraceId() {
+    assertEquals(jaegerSpan.context().getTraceId(), jaegerSpan.context().toTraceId());
+  }
+
+  @Test
+  public void testToSpanId() {
+    assertEquals(Long.toHexString(jaegerSpan.context().getSpanId()), jaegerSpan.context().toSpanId());
+  }
+
+
   @Test
   public void testWithTimestampAccurateClock() {
     testWithTimestamp(true);
diff --git a/jaeger-core/src/test/java/io/jaegertracing/internal/JaegerTracerTest.java b/jaeger-core/src/test/java/io/jaegertracing/internal/JaegerTracerTest.java
index 9a58fffc1..c4ac91983 100644
--- a/jaeger-core/src/test/java/io/jaegertracing/internal/JaegerTracerTest.java
+++ b/jaeger-core/src/test/java/io/jaegertracing/internal/JaegerTracerTest.java
@@ -34,9 +34,14 @@
 import io.opentracing.Span;
 import io.opentracing.propagation.Format;
 import io.opentracing.propagation.TextMap;
+import io.opentracing.tag.AbstractTag;
+import io.opentracing.tag.BooleanTag;
+import io.opentracing.tag.IntTag;
+import io.opentracing.tag.StringTag;
 import io.opentracing.tag.Tags;
 
 import java.io.Closeable;
+import java.util.Map;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -184,4 +189,26 @@ public void testSpanContextNotSampled() {
     assertEquals(1, metricsFactory.getCounter("jaeger_tracer_traces", "sampled=y,state=started"));
     assertEquals(0, metricsFactory.getCounter("jaeger_tracer_traces", "sampled=n,state=started"));
   }
+
+  @Test
+  public void testWithTagObject() {
+    JaegerTracer.SpanBuilder spanBuilder = tracer.buildSpan("ndnd");
+    spanBuilder.withTag(new StringTag("stringTag"), "stringTagValue")
+               .withTag(new IntTag("numberTag"), 1)
+               .withTag(new BooleanTag("booleanTag"), true)
+               .withTag(new AbstractTag<Object>("objectTag") {
+                 @Override
+                 public void set(Span span, Object tagValue) {
+                 }
+               }, this);
+
+    Span span = spanBuilder.start();
+    Map<String, Object> tags = ((JaegerSpan) span).getTags();
+    assertEquals("stringTagValue", tags.get("stringTag"));
+    assertEquals(1, tags.get("numberTag"));
+    assertEquals(true, tags.get("booleanTag"));
+    assertEquals(this, tags.get("objectTag"));
+    span.finish();
+  }
+
 }