diff --git a/stairway-gcp/build.gradle b/stairway-gcp/build.gradle
index 6861976c..5d48c804 100644
--- a/stairway-gcp/build.gradle
+++ b/stairway-gcp/build.gradle
@@ -20,7 +20,7 @@ dependencies {
 
     // Google dependencies
     constraints {
-        implementation group: 'com.google.guava', name: 'guava', version: '31.1-jre' // "-jre" for Java 8 or higher
+        implementation group: 'com.google.guava', name: 'guava', version: '33.0.0-jre' // "-jre" for Java 8 or higher
     }
     implementation platform('com.google.cloud:libraries-bom:26.0.0') // use common bom
     implementation group: 'com.google.cloud', name: 'google-cloud-pubsub'
diff --git a/stairway/build.gradle b/stairway/build.gradle
index 890e8f24..95fb298e 100644
--- a/stairway/build.gradle
+++ b/stairway/build.gradle
@@ -30,7 +30,7 @@ dependencies {
 
     // Google dependencies
     constraints {
-        implementation group: 'com.google.guava', name: 'guava', version: '31.1-jre' // "-jre" for Java 8 or higher
+        implementation group: 'com.google.guava', name: 'guava', version: '33.0.0-jre' // "-jre" for Java 8 or higher
     }
     implementation platform('com.google.cloud:libraries-bom:26.0.0') // use common bom
     implementation group: 'com.google.cloud', name: 'google-cloud-pubsub'