diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 9b69cf05bf..54e0cc8951 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>0.27.1</opencensus.version>
+    <opencensus.version>0.28.1</opencensus.version>
     <trace.version>1.2.4</trace.version>
     <cloudmonitoring.version>2.0.5</cloudmonitoring.version>
   </properties>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 44da935938..e8cefdd6f6 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>0.27.1</opencensus.version>
+    <opencensus.version>0.28.1</opencensus.version>
     <trace.version>1.2.4</trace.version>
     <cloudmonitoring.version>2.0.5</cloudmonitoring.version>
   </properties>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 00df1d2f7d..c3465a18e2 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/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>0.27.1</opencensus.version>
+    <opencensus.version>0.28.1</opencensus.version>
   </properties>