diff --git a/google-cloud-spanner/pom.xml b/google-cloud-spanner/pom.xml
index f8c866f4448..1ceeab06728 100644
--- a/google-cloud-spanner/pom.xml
+++ b/google-cloud-spanner/pom.xml
@@ -15,7 +15,7 @@
   </parent>
   <properties>
     <site.installationModule>google-cloud-spanner</site.installationModule>
-    <opencensus.version>0.30.0</opencensus.version>
+    <opencensus.version>0.31.0</opencensus.version>
   </properties>
 
 
diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index b7dc1b6eb09..5cad27a5839 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -21,7 +21,7 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <opencensus.version>0.30.0</opencensus.version>
+    <opencensus.version>0.31.0</opencensus.version>
     <trace.version>2.1.1</trace.version>
     <cloudmonitoring.version>3.2.1</cloudmonitoring.version>
   </properties>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index af955dc24cc..c8395bbf311 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -21,7 +21,7 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <opencensus.version>0.30.0</opencensus.version>
+    <opencensus.version>0.31.0</opencensus.version>
     <trace.version>2.1.1</trace.version>
     <cloudmonitoring.version>3.2.1</cloudmonitoring.version>
   </properties>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index d0ef075e0fe..a40c65a2a16 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -23,7 +23,7 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <maven.compiler.source>1.8</maven.compiler.source>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <opencensus.version>0.30.0</opencensus.version>
+    <opencensus.version>0.31.0</opencensus.version>
   </properties>