diff --git a/search-services/alfresco-search/pom.xml b/search-services/alfresco-search/pom.xml
index e0af6732a..30b3e2ebf 100644
--- a/search-services/alfresco-search/pom.xml
+++ b/search-services/alfresco-search/pom.xml
@@ -222,7 +222,7 @@
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
-            <version>3.12.4</version>
+            <version>4.6.1</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/search-services/alfresco-search/src/test/java/org/alfresco/repo/search/impl/lucene/analysis/MLAnalayserTest.java b/search-services/alfresco-search/src/test/java/org/alfresco/repo/search/impl/lucene/analysis/MLAnalayserTest.java
index e38000599..941827ada 100644
--- a/search-services/alfresco-search/src/test/java/org/alfresco/repo/search/impl/lucene/analysis/MLAnalayserTest.java
+++ b/search-services/alfresco-search/src/test/java/org/alfresco/repo/search/impl/lucene/analysis/MLAnalayserTest.java
@@ -2,7 +2,7 @@
  * #%L
  * Alfresco Search Services
  * %%
- * Copyright (C) 2005 - 2020 Alfresco Software Limited
+ * Copyright (C) 2005 - 2022 Alfresco Software Limited
  * %%
  * This file is part of the Alfresco software. 
  * If the software was purchased under a paid Alfresco license, the terms of 
@@ -28,7 +28,7 @@ package org.alfresco.repo.search.impl.lucene.analysis;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
-import static org.mockito.Matchers.any;
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.when;
 
 import java.io.IOException;
@@ -51,7 +51,7 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.Mockito;
-import org.mockito.runners.MockitoJUnitRunner;
+import org.mockito.junit.MockitoJUnitRunner;
 
 /**
  * Retrofitted tests for the {@link MLAnalayser} class. These
diff --git a/search-services/alfresco-search/src/test/java/org/alfresco/solr/schema/highlight/LanguagePrefixedTokenStreamTest.java b/search-services/alfresco-search/src/test/java/org/alfresco/solr/schema/highlight/LanguagePrefixedTokenStreamTest.java
index 87968bb54..afeef92ac 100644
--- a/search-services/alfresco-search/src/test/java/org/alfresco/solr/schema/highlight/LanguagePrefixedTokenStreamTest.java
+++ b/search-services/alfresco-search/src/test/java/org/alfresco/solr/schema/highlight/LanguagePrefixedTokenStreamTest.java
@@ -2,7 +2,7 @@
  * #%L
  * Alfresco Search Services
  * %%
- * Copyright (C) 2005 - 2020 Alfresco Software Limited
+ * Copyright (C) 2005 - 2022 Alfresco Software Limited
  * %%
  * This file is part of the Alfresco software. 
  * If the software was purchased under a paid Alfresco license, the terms of 
@@ -35,7 +35,6 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
-import org.mockito.Mockito;
 import org.mockito.junit.MockitoJUnitRunner;
 
 import java.io.IOException;
diff --git a/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/DBIDRouterTest.java b/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/DBIDRouterTest.java
index 1de135a26..cb353c76a 100644
--- a/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/DBIDRouterTest.java
+++ b/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/DBIDRouterTest.java
@@ -2,7 +2,7 @@
  * #%L
  * Alfresco Search Services
  * %%
- * Copyright (C) 2005 - 2020 Alfresco Software Limited
+ * Copyright (C) 2005 - 2022 Alfresco Software Limited
  * %%
  * This file is part of the Alfresco software. 
  * If the software was purchased under a paid Alfresco license, the terms of 
@@ -30,8 +30,6 @@ import static java.util.Arrays.stream;
 import static java.util.stream.IntStream.range;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.Mockito.reset;
-import static org.mockito.Mockito.when;
 import static org.alfresco.solr.AlfrescoSolrUtils.randomPositiveInteger;
 import static org.alfresco.solr.AlfrescoSolrUtils.randomShardCountGreaterThanOne;
 
diff --git a/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/MetadataTrackerTest.java b/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/MetadataTrackerTest.java
index 163e30bad..388e3203e 100644
--- a/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/MetadataTrackerTest.java
+++ b/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/MetadataTrackerTest.java
@@ -2,7 +2,7 @@
  * #%L
  * Alfresco Search Services
  * %%
- * Copyright (C) 2005 - 2020 Alfresco Software Limited
+ * Copyright (C) 2005 - 2022 Alfresco Software Limited
  * %%
  * This file is part of the Alfresco software. 
  * If the software was purchased under a paid Alfresco license, the terms of 
@@ -114,7 +114,7 @@ public class MetadataTrackerTest
         // Subsequent calls to getTransactions must return a different set of transactions to avoid an infinite loop
         when(repositoryClient.getTransactions(anyLong(), anyLong(), anyLong(), anyLong(), anyInt())).thenReturn(txs)
                     .thenReturn(txs).thenReturn(mock(Transactions.class));
-        when(repositoryClient.getTransactions(anyLong(), anyLong(), anyLong(), anyLong(), anyInt(), isNull(ShardState.class))).thenReturn(txs)
+        when(repositoryClient.getTransactions(anyLong(), anyLong(), anyLong(), anyLong(), anyInt(), isNull())).thenReturn(txs)
         .thenReturn(txs).thenReturn(mock(Transactions.class));
         when(repositoryClient.getTransactions(anyLong(), anyLong(), anyLong(), anyLong(), anyInt(), any(ShardState.class))).thenReturn(txs)
         .thenReturn(txs).thenReturn(mock(Transactions.class));
@@ -144,7 +144,7 @@ public class MetadataTrackerTest
         List<Transaction> txsList = new ArrayList<>();
         when(txs.getTransactions()).thenReturn(txsList);
 
-        when(repositoryClient.getTransactions(anyLong(), anyLong(), anyLong(), anyLong(), anyInt(), isNull(ShardState.class))).thenReturn(txs);
+        when(repositoryClient.getTransactions(anyLong(), anyLong(), anyLong(), anyLong(), anyInt(), isNull())).thenReturn(txs);
         when(repositoryClient.getTransactions(anyLong(), anyLong(), anyLong(), anyLong(), anyInt(), any(ShardState.class))).thenReturn(txs);
         when(repositoryClient.getTransactions(anyLong(), anyLong(), anyLong(), anyLong(), anyInt())).thenReturn(txs);
 
diff --git a/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/ModelTrackerIT.java b/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/ModelTrackerIT.java
index 69ec1f7c0..757b7ed2c 100644
--- a/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/ModelTrackerIT.java
+++ b/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/ModelTrackerIT.java
@@ -2,7 +2,7 @@
  * #%L
  * Alfresco Search Services
  * %%
- * Copyright (C) 2005 - 2020 Alfresco Software Limited
+ * Copyright (C) 2005 - 2022 Alfresco Software Limited
  * %%
  * This file is part of the Alfresco software. 
  * If the software was purchased under a paid Alfresco license, the terms of 
@@ -28,9 +28,7 @@ package org.alfresco.solr.tracker;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyString;
-import static org.mockito.Matchers.eq;
+import static org.mockito.ArgumentMatchers.*;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
@@ -61,7 +59,7 @@ import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
-import org.mockito.runners.MockitoJUnitRunner;
+import org.mockito.junit.MockitoJUnitRunner;
 
 @RunWith(MockitoJUnitRunner.class)
 public class ModelTrackerIT
diff --git a/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/TrackerJobTest.java b/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/TrackerJobTest.java
index 0146e5a79..af8dfe943 100644
--- a/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/TrackerJobTest.java
+++ b/search-services/alfresco-search/src/test/java/org/alfresco/solr/tracker/TrackerJobTest.java
@@ -2,7 +2,7 @@
  * #%L
  * Alfresco Search Services
  * %%
- * Copyright (C) 2005 - 2020 Alfresco Software Limited
+ * Copyright (C) 2005 - 2022 Alfresco Software Limited
  * %%
  * This file is part of the Alfresco software. 
  * If the software was purchased under a paid Alfresco license, the terms of 
@@ -33,7 +33,7 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
-import org.mockito.runners.MockitoJUnitRunner;
+import org.mockito.junit.MockitoJUnitRunner;
 import org.quartz.JobDataMap;
 import org.quartz.JobDetail;
 import org.quartz.JobExecutionContext;
diff --git a/search-services/alfresco-solrclient-lib/pom.xml b/search-services/alfresco-solrclient-lib/pom.xml
index c2441337f..687bd2177 100644
--- a/search-services/alfresco-solrclient-lib/pom.xml
+++ b/search-services/alfresco-solrclient-lib/pom.xml
@@ -67,7 +67,7 @@
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
-            <version>3.12.4</version>
+            <version>4.6.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>