diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index dc2b466f9..cd52d4349 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -42,7 +42,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>1.3.0</version>
+      <version>1.4.0</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 7798d5fc4..cc8a0e6d8 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -41,7 +41,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>1.3.0</version>
+      <version>1.4.0</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 3dc9c14a1..36a8640a0 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -53,7 +53,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>1.3.0</version>
+      <version>1.4.0</version>
       <scope>test</scope>
     </dependency>
   </dependencies>