diff --git a/pom.xml b/pom.xml
index 0c69f04409..9fd7cf0e5a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -38,7 +38,7 @@
     <spotbugs-maven-plugin.failOnError>true</spotbugs-maven-plugin.failOnError>
     <hamcrest.version>2.2</hamcrest.version>
     <okhttp3.version>4.4.1</okhttp3.version>
-    <okio.version>2.5.0</okio.version>
+    <okio.version>3.1.0</okio.version>
     <formatter-maven-plugin.goal>format</formatter-maven-plugin.goal>
     <impsort-maven-plugin.goal>sort</impsort-maven-plugin.goal>
     <!-- Using this as the minimum bar for code coverage.  Adding methods without covering them will fail this. -->