diff --git a/spring-cloud-sleuth-dependencies/pom.xml b/spring-cloud-sleuth-dependencies/pom.xml
index da198227f..1f2f539fc 100644
--- a/spring-cloud-sleuth-dependencies/pom.xml
+++ b/spring-cloud-sleuth-dependencies/pom.xml
@@ -14,8 +14,8 @@
 	<name>spring-cloud-sleuth-dependencies</name>
 	<description>Spring Cloud Sleuth Dependencies</description>
 	<properties>
-		<zipkin.version>1.16.2</zipkin.version>
-		<zipkin-reporter.version>0.6.9</zipkin-reporter.version>
+		<zipkin.version>1.19.2</zipkin.version>
+		<zipkin-reporter.version>0.6.12</zipkin-reporter.version>
 	</properties>
 	<dependencyManagement>
 		<dependencies>
diff --git a/spring-cloud-sleuth-samples/pom.xml b/spring-cloud-sleuth-samples/pom.xml
index c7dec2e9b..462d9df76 100644
--- a/spring-cloud-sleuth-samples/pom.xml
+++ b/spring-cloud-sleuth-samples/pom.xml
@@ -59,12 +59,12 @@
 			<dependency>
 				<groupId>io.zipkin.java</groupId>
 				<artifactId>zipkin</artifactId>
-				<version>1.16.2</version>
+				<version>1.19.2</version>
 			</dependency>
 			<dependency>
 				<groupId>io.zipkin.java</groupId>
 				<artifactId>zipkin-server</artifactId>
-				<version>1.16.2</version>
+				<version>1.19.2</version>
 			</dependency>
 		</dependencies>
 	</dependencyManagement>
diff --git a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-zipkin/pom.xml b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-zipkin/pom.xml
index e73a84430..3db678c30 100644
--- a/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-zipkin/pom.xml
+++ b/spring-cloud-sleuth-samples/spring-cloud-sleuth-sample-zipkin/pom.xml
@@ -107,6 +107,13 @@
 			<artifactId>zipkin-junit</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<!-- otherwise spring boot's version of okhttp kicks zipkin-junit's deps out of alignment -->
+		<dependency>
+			<groupId>com.squareup.okhttp3</groupId>
+			<artifactId>okhttp</artifactId>
+			<version>3.5.0</version>
+			<scope>test</scope>
+		</dependency>
 	</dependencies>
 
 </project>
diff --git a/spring-cloud-sleuth-zipkin/pom.xml b/spring-cloud-sleuth-zipkin/pom.xml
index 0b7d03f1b..cfe6bf235 100644
--- a/spring-cloud-sleuth-zipkin/pom.xml
+++ b/spring-cloud-sleuth-zipkin/pom.xml
@@ -88,6 +88,13 @@
 			<artifactId>zipkin-junit</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<!-- otherwise spring boot's version of okhttp kicks zipkin-junit's deps out of alignment -->
+		<dependency>
+			<groupId>com.squareup.okhttp3</groupId>
+			<artifactId>okhttp</artifactId>
+			<version>3.5.0</version>
+			<scope>test</scope>
+		</dependency>
 		<dependency>
 			<groupId>org.aspectj</groupId>
 			<artifactId>aspectjrt</artifactId>