diff --git a/core/src/test/java/com/datastax/oss/driver/internal/core/metadata/token/NetworkTopologyReplicationStrategyTest.java b/core/src/test/java/com/datastax/oss/driver/internal/core/metadata/token/NetworkTopologyReplicationStrategyTest.java
index 42dc5e69199..3ef68c50d5a 100644
--- a/core/src/test/java/com/datastax/oss/driver/internal/core/metadata/token/NetworkTopologyReplicationStrategyTest.java
+++ b/core/src/test/java/com/datastax/oss/driver/internal/core/metadata/token/NetworkTopologyReplicationStrategyTest.java
@@ -33,6 +33,7 @@
 import com.datastax.oss.driver.api.core.metadata.token.Token;
 import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableList;
 import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableMap;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -655,7 +656,7 @@ private int countTraversedTokens(
       Map<Token, Node> tokenToPrimary,
       ImmutableMap<String, String> replicationConfig) {
     AtomicInteger count = new AtomicInteger();
-    List<Token> ringSpy = spy(ring);
+    List<Token> ringSpy = spy(new ArrayList<>(ring));
     when(ringSpy.get(anyInt()))
         .thenAnswer(
             invocation -> {
diff --git a/pom.xml b/pom.xml
index 898dcc9d8c7..bd86702a242 100644
--- a/pom.xml
+++ b/pom.xml
@@ -118,7 +118,7 @@
         <!-- Version of Guava used in shaded module and for integration tests. -->
         <groupId>com.google.guava</groupId>
         <artifactId>guava</artifactId>
-        <version>33.3.1-jre</version>
+        <version>33.5.0-jre</version>
       </dependency>
       <dependency>
         <groupId>com.typesafe</groupId>