diff --git a/README.md b/README.md
index 34bd5f29..a2e006ef 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 ![build](https://github.com/JKatzwinkel/tla-web/workflows/build/badge.svg)
 ![deploy](https://github.com/JKatzwinkel/tla-web/workflows/deploy/badge.svg)
-![LINE](https://img.shields.io/badge/line--coverage-91.16%25-brightgreen.svg)
-![METHOD](https://img.shields.io/badge/method--coverage-92.40%25-brightgreen.svg)
+![LINE](https://img.shields.io/badge/line--coverage-91.37%25-brightgreen.svg)
+![METHOD](https://img.shields.io/badge/method--coverage-94.04%25-brightgreen.svg)
 
 TLA web frontend.
 
diff --git a/build.gradle b/build.gradle
index 65bcb671..6f23e90a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ plugins {
     id 'maven-publish'
     id 'de.undercouch.download' version '5.6.0'
     id 'com.adarshr.test-logger' version '4.0.0'
-    id 'org.springframework.boot' version '3.3.1'
+    id 'org.springframework.boot' version '3.4.0-M1'
     id 'com.github.ben-manes.versions' version '0.51.0'
     id 'com.github.dawnwords.jacoco.badge' version '0.2.4'
 }
@@ -70,13 +70,13 @@ dependencies {
     implementation 'org.modelmapper:modelmapper:3.2.0'
     implementation 'org.jooq:jool:0.9.15'
 
-    implementation('org.springframework.boot:spring-boot-starter-jetty:3.3.1') {
+    implementation('org.springframework.boot:spring-boot-starter-jetty:3.4.0-M1') {
         exclude module: 'jetty-xml'
     }
-    implementation('org.springframework.boot:spring-boot-starter-web:3.3.1') {
+    implementation('org.springframework.boot:spring-boot-starter-web:3.4.0-M1') {
         exclude module: 'spring-boot-starter-tomcat'
     }
-    implementation 'org.springframework.boot:spring-boot-starter-thymeleaf:3.3.1'
+    implementation 'org.springframework.boot:spring-boot-starter-thymeleaf:3.4.0-M1'
     implementation 'nz.net.ultraq.thymeleaf:thymeleaf-layout-dialect:3.3.0'
     implementation 'org.apache.commons:commons-lang3:3.14.0'
 
@@ -87,7 +87,7 @@ dependencies {
         exclude group: 'bouncycastle'
     }
 
-    testImplementation 'org.springframework.boot:spring-boot-starter-test:3.3.1'
+    testImplementation 'org.springframework.boot:spring-boot-starter-test:3.4.0-M1'
     testImplementation 'org.junit.jupiter:junit-jupiter-params:5.11.0-M2'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.11.0-M2'
 }
diff --git a/src/main/java/tla/web/mvc/GlobalControllerAdvisor.java b/src/main/java/tla/web/mvc/GlobalControllerAdvisor.java
index 4f6ad7a9..43347b41 100644
--- a/src/main/java/tla/web/mvc/GlobalControllerAdvisor.java
+++ b/src/main/java/tla/web/mvc/GlobalControllerAdvisor.java
@@ -80,4 +80,4 @@ public ModelAndView handleAnything(Exception e, HttpServletRequest request, Mode
         return new ModelAndView("error/404", model.asMap(), HttpStatus.OK);
     }
 
-}
\ No newline at end of file
+}
diff --git a/src/main/java/tla/web/mvc/config/MvcConfig.java b/src/main/java/tla/web/mvc/config/MvcConfig.java
index f89bcf9b..a5b158e3 100644
--- a/src/main/java/tla/web/mvc/config/MvcConfig.java
+++ b/src/main/java/tla/web/mvc/config/MvcConfig.java
@@ -22,11 +22,11 @@
 import tla.web.model.mappings.URLDecodeConverter;
 import tla.web.mvc.GlobalControllerAdvisor;
 
+
 @Configuration
 public class MvcConfig implements WebMvcConfigurer {
 
     @Bean
-    @Autowired
     public GlobalControllerAdvisor globalAdvisoryController(
         ApplicationProperties applicationProperties, BuildProperties buildProperties
     ) {
diff --git a/src/test/java/tla/web/mvc/LemmaDetailsTest.java b/src/test/java/tla/web/mvc/LemmaDetailsTest.java
index 02f26a67..c78e92a8 100644
--- a/src/test/java/tla/web/mvc/LemmaDetailsTest.java
+++ b/src/test/java/tla/web/mvc/LemmaDetailsTest.java
@@ -23,7 +23,7 @@
 import tla.domain.dto.meta.AbstractDto;
 import tla.web.model.Lemma;
 
-public class LemmaDetailsTest extends ViewTest {
+class LemmaDetailsTest extends ViewTest {
 
     private static final String[] EXPECT_TOP_LEVEL_ELEM_IDS = {
         "lemma-property-dict",
@@ -114,7 +114,7 @@ void testLemmaDetails_hieratic(Language lang) throws Exception {
     void testLemmaDetails_passport() throws Exception {
         final String id = "151410";
         respondToDetailsRequestWithLemma(id);
-        makeDetailsRequest(id, Language.en).andExpect(
+        makeDetailsRequest(id, Language.EN).andExpect(
             xpath("//div[@id='passport-properties']").exists()
         ).andExpect(
             xpath("//div[@id='passport-properties']/p/span[@class='lemma_main_group_nominal_schenkel']").nodeCount(1)
@@ -125,7 +125,7 @@ void testLemmaDetails_passport() throws Exception {
     @DisplayName("lemma without passport should be rendered regardless")
     void testLemmaDetails_noPassport() throws Exception {
         respondToDetailsRequestWithLemma("875255");
-        makeDetailsRequest("875255", Language.en).andExpect(
+        makeDetailsRequest("875255", Language.EN).andExpect(
             xpath("//div[@id='lemma-property-type-subtype']//span[@id='type-subtype']/span").string(
                 messages.getMessage("lemma_type_root", null, Locale.ENGLISH)
             )
@@ -136,7 +136,7 @@ void testLemmaDetails_noPassport() throws Exception {
     @DisplayName("lemma details page should show attested timespan")
     void testAttestedTimespan() throws Exception {
         respondToDetailsRequestWithLemma("100090");
-        makeDetailsRequest("100090", Language.en).andExpect(
+        makeDetailsRequest("100090", Language.EN).andExpect(
             xpath("//div[@id='lemma-property-attestations']/p/span/span[@id='attestation-timespan-from']/span[1]").string("2375")
         ).andExpect(
             xpath("//div[@id='lemma-property-attestations']/p/span/span[@id='attestation-timespan-from']/span[2]").string(
@@ -166,7 +166,7 @@ void testLemmaDetails_demotic(Language lang) throws Exception {
     @Test
     void testModel() throws Exception {
         respondToDetailsRequestWithLemma("31610");
-        ResultActions testResponse = makeDetailsRequest("31610", Language.en);
+        ResultActions testResponse = makeDetailsRequest("31610", Language.EN);
         testResponse.andExpect(
             model().attributeExists("annotations")
         ).andExpect(
@@ -178,7 +178,7 @@ void testModel() throws Exception {
     @ValueSource(strings = {"100090"})
     void testResponseOk(String id) throws Exception {
         respondToDetailsRequestWithLemma(id);
-        makeDetailsRequest(id, Language.en).andExpect(
+        makeDetailsRequest(id, Language.EN).andExpect(
             xpath("//div[@id='lemma-property-dict']").exists()
         );
     }
diff --git a/src/test/java/tla/web/mvc/ThsEntryDetailsTest.java b/src/test/java/tla/web/mvc/ThsEntryDetailsTest.java
index 15955084..c3873cff 100644
--- a/src/test/java/tla/web/mvc/ThsEntryDetailsTest.java
+++ b/src/test/java/tla/web/mvc/ThsEntryDetailsTest.java
@@ -13,7 +13,7 @@
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
 import org.springframework.http.HttpHeaders;
 import org.springframework.test.web.servlet.ResultActions;
 
@@ -27,9 +27,9 @@
 import tla.web.service.ThsService;
 
 @Slf4j
-public class ThsEntryDetailsTest extends ViewTest {
+class ThsEntryDetailsTest extends ViewTest {
 
-    @MockBean
+    @MockitoBean
     private ThsService service;
 
     @Autowired
@@ -60,7 +60,7 @@ private ObjectDetails<ThsEntry> mapDetailsDTO(SingleDocumentWrapper<AbstractDto>
             () -> assertEquals(ThsEntry.class, container.getObject().getClass(), "result is ths entry"),
             () -> assertTrue(container.getObject() instanceof ThsEntry, "result is ths entry instance")
         );
-        return new ObjectDetails<ThsEntry>(
+        return new ObjectDetails<>(
             (ThsEntry) container.getObject(),
             container.getRelated()
         );
diff --git a/src/test/java/tla/web/mvc/ViewTest.java b/src/test/java/tla/web/mvc/ViewTest.java
index d3c4fce6..65314eb8 100644
--- a/src/test/java/tla/web/mvc/ViewTest.java
+++ b/src/test/java/tla/web/mvc/ViewTest.java
@@ -1,31 +1,32 @@
 package tla.web.mvc;
 
+import static org.hamcrest.Matchers.containsString;
+import static org.hamcrest.Matchers.not;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
 import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.context.MessageSource;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.ResultActions;
 
 import tla.web.repo.TlaClient;
 
-import static org.hamcrest.Matchers.*;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
-
 
 @AutoConfigureMockMvc
 @SpringBootTest
-public class ViewTest {
+class ViewTest {  // NOSONAR
 
     public static enum Language {
-        en;
+        EN;
     }
 
     @Autowired
     protected MockMvc mockMvc;
 
-    @MockBean
+    @MockitoBean
     protected TlaClient backend;
 
     @Autowired
@@ -46,7 +47,7 @@ void testLocalization(ResultActions testResponse, String lang) throws Exception
     }
 
     void testLocalization(ResultActions testResponse) throws Exception {
-        testLocalization(testResponse, Language.en);
+        testLocalization(testResponse, Language.EN);
     }
 
 }
diff --git a/src/test/java/tla/web/service/ServiceTest.java b/src/test/java/tla/web/service/ServiceTest.java
index 3eb3ad8e..2333809e 100644
--- a/src/test/java/tla/web/service/ServiceTest.java
+++ b/src/test/java/tla/web/service/ServiceTest.java
@@ -10,7 +10,7 @@
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
 
 import tla.domain.command.LemmaSearch;
 import tla.domain.command.SentenceSearch;
@@ -28,9 +28,9 @@
 import tla.web.repo.TlaClient;
 
 @SpringBootTest
-public class ServiceTest {
+class ServiceTest {
 
-    @MockBean
+    @MockitoBean
     private TlaClient backend;
 
     @Autowired
@@ -209,4 +209,4 @@ void sentenceServiceTextInjectionSearchResults() throws Exception {
         );
     }
 
-}
\ No newline at end of file
+}