diff --git a/tracing/src/test/java/com/palantir/tracing/TracerTest.java b/tracing/src/test/java/com/palantir/tracing/TracerTest.java
index 71ff22d76..3acb3db80 100644
--- a/tracing/src/test/java/com/palantir/tracing/TracerTest.java
+++ b/tracing/src/test/java/com/palantir/tracing/TracerTest.java
@@ -41,6 +41,7 @@
 import org.mockito.MockitoAnnotations;
 import org.slf4j.MDC;
 
+@SuppressWarnings("CheckReturnValue")
 public final class TracerTest {
 
     @Mock
diff --git a/versions.props b/versions.props
index 2a2d62a93..a6b4c8056 100644
--- a/versions.props
+++ b/versions.props
@@ -1,16 +1,16 @@
 ch.qos.logback:logback-classic = 1.1.7
-com.fasterxml.jackson.*:jackson-* = 2.9.5
+com.fasterxml.jackson.*:jackson-* = 2.9.7
 com.google.guava:guava = 20.0
-com.palantir.safe-logging:* = 1.3.0
-com.squareup.okhttp3:okhttp = 3.9.0
+com.palantir.safe-logging:* = 1.5.0
+com.squareup.okhttp3:okhttp = 3.11.0
 io.dropwizard:dropwizard-* = 1.3.1
 io.zipkin.java:* = 1.13.1
 javax.ws.rs:javax.ws.rs-api = 2.0.1
 junit:junit = 4.12
-org.assertj:assertj-core = 3.6.1
+org.assertj:assertj-core = 3.11.1
 org.glassfish.jersey.*:* = 2.22.2
 org.hamcrest:hamcrest-* = 1.3
-org.immutables:value = 2.3.10
-org.jmock:jmock = 2.8.2
-org.mockito:mockito-core = 2.18.3
+org.immutables:value = 2.7.1
+org.jmock:jmock = 2.9.0
+org.mockito:mockito-core = 2.23.0
 org.slf4j:slf4j-api = 1.7.12