diff --git a/jaeger-zipkin/build.gradle b/jaeger-zipkin/build.gradle
index 487852f31..f9984fc3b 100644
--- a/jaeger-zipkin/build.gradle
+++ b/jaeger-zipkin/build.gradle
@@ -4,14 +4,14 @@ apply plugin: 'com.github.kt3k.coveralls'
 description = 'Integration library for Zipkin'
 
 dependencies {
-    compile group: 'io.zipkin.reporter', name: 'zipkin-reporter', version: '0.4.2'
-    compile group: 'io.zipkin.reporter', name: 'zipkin-sender-urlconnection', version: '0.4.2'
+    compile group: 'io.zipkin.reporter', name: 'zipkin-reporter', version: '0.4.4'
+    compile group: 'io.zipkin.reporter', name: 'zipkin-sender-urlconnection', version: '0.4.4'
     compile project(':jaeger-core')
 
     testCompile group: 'junit', name: 'junit', version: junitVersion
     testCompile group: 'org.mockito', name: 'mockito-all', version: mockitoVersion
-    testCompile group: 'io.zipkin.java', name: 'zipkin-junit', version: '1.8.3'
-    testCompile group: 'io.zipkin.brave', name: 'brave-http', version: '3.10.0'
+    testCompile group: 'io.zipkin.java', name: 'zipkin-junit', version: '1.11.1'
+    testCompile group: 'io.zipkin.brave', name: 'brave-http', version: '3.11.0'
 }
 
 jacocoTestReport {
diff --git a/jaeger-zipkin/src/test/java/com/uber/jaeger/propagation/b3/B3TextMapCodecTest.java b/jaeger-zipkin/src/test/java/com/uber/jaeger/propagation/b3/B3TextMapCodecTest.java
index 798b502e0..706e7692a 100644
--- a/jaeger-zipkin/src/test/java/com/uber/jaeger/propagation/b3/B3TextMapCodecTest.java
+++ b/jaeger-zipkin/src/test/java/com/uber/jaeger/propagation/b3/B3TextMapCodecTest.java
@@ -32,7 +32,10 @@
 import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.Map;
+import zipkin.internal.Util;
 
+import static com.uber.jaeger.propagation.b3.B3TextMapCodec.SPAN_ID_NAME;
+import static com.uber.jaeger.propagation.b3.B3TextMapCodec.TRACE_ID_NAME;
 import static org.junit.Assert.assertEquals;
 
 public class B3TextMapCodecTest {
@@ -53,6 +56,21 @@ public void testExtract_rootSpan() throws Exception {
         assertEquals(1, context.getFlags()); // sampled
     }
 
+    @Test
+    public void downgrades128BitTraceIdToLower64Bits() throws Exception {
+        String hex128Bits = "463ac35c9f6413ad48485a3953bb6124";
+        String lower64Bits = "48485a3953bb6124";
+
+        DelegatingTextMap textMap = new DelegatingTextMap();
+        textMap.put(TRACE_ID_NAME, hex128Bits);
+        textMap.put(SPAN_ID_NAME, lower64Bits);
+
+        SpanContext context = b3Codec.extract(textMap);
+
+        assertEquals(Util.lowerHexToUnsignedLong(lower64Bits), context.getTraceID());
+        assertEquals(Util.lowerHexToUnsignedLong(lower64Bits), context.getSpanID());
+    }
+
     @Test
     public void testExtract_childSpan() throws Exception {
         SpanId spanId = SpanId.builder().spanId(2L).traceId(1L).parentId(1L).build();