diff --git a/.github/workflows/continuous-integration.yaml b/.github/workflows/continuous-integration.yaml
index bd78e8d42..96c1d5e3b 100644
--- a/.github/workflows/continuous-integration.yaml
+++ b/.github/workflows/continuous-integration.yaml
@@ -18,7 +18,6 @@ jobs:
       max-parallel: 4
       matrix:
         java:
-          - '8'
           - '11'
           - '17'
           - '19'
@@ -26,8 +25,6 @@ jobs:
           - ubuntu-latest
           - macos-latest
         exclude:
-        - os: macos-latest
-          java: '8'
         - os: macos-latest
           java: '19'
     runs-on: ${{ matrix.os }}
diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc
index ca513befe..68e893592 100644
--- a/CHANGELOG.adoc
+++ b/CHANGELOG.adoc
@@ -27,6 +27,7 @@ Improvement::
 * Replace use of deprecated 'numbered' attribute by 'sectnums' (#1123) (@abelsromero)
 * Expose `source` and `source_lines` use of deprecated 'numbered' in Document interface (#1145) (@abelsromero)
 * Accept 'null' as valid input (same as empty string) for load and convert String methods (#1148) (@abelsromero)
+* Set Java 11 as the minimal version (#1151) (@abelsromero)
 
 Bug Fixes::
 
diff --git a/asciidoctorj-springboot-integration-test/build.gradle b/asciidoctorj-springboot-integration-test/build.gradle
index 4e5aaab2d..4c23b843c 100644
--- a/asciidoctorj-springboot-integration-test/build.gradle
+++ b/asciidoctorj-springboot-integration-test/build.gradle
@@ -11,8 +11,3 @@ dependencies {
 }
 
 test.dependsOn(':asciidoctorj-springboot-integration-test:springboot-app:assemble')
-
-tasks.withType(JavaCompile).configureEach { task ->
-    task.options.release = 17
-}
-
diff --git a/asciidoctorj-springboot-integration-test/springboot-app/build.gradle b/asciidoctorj-springboot-integration-test/springboot-app/build.gradle
index d2d677950..30da0b09d 100644
--- a/asciidoctorj-springboot-integration-test/springboot-app/build.gradle
+++ b/asciidoctorj-springboot-integration-test/springboot-app/build.gradle
@@ -1,6 +1,7 @@
+import org.springframework.boot.gradle.plugin.SpringBootPlugin
+
 plugins {
-	id 'org.springframework.boot' version '3.0.0'
-	id 'io.spring.dependency-management' version '1.1.0'
+	id 'org.springframework.boot' version '3.0.4'
 	id 'java'
 }
 
@@ -13,14 +14,18 @@ repositories {
 
 dependencies {
 	implementation project(':asciidoctorj')
+
+	implementation platform(SpringBootPlugin.BOM_COORDINATES)
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	implementation 'org.springframework.boot:spring-boot-starter-actuator'
 
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 }
 
-tasks.withType(JavaCompile).configureEach { task ->
-	task.options.release = 17
+java {
+	toolchain {
+		languageVersion = JavaLanguageVersion.of(17)
+	}
 }
 
 bootJar {
diff --git a/build.gradle b/build.gradle
index 639eab799..706e67d12 100644
--- a/build.gradle
+++ b/build.gradle
@@ -113,9 +113,6 @@ subprojects {
 
   plugins.withType(JavaPlugin) {
     project.tasks.withType(JavaCompile) { task ->
-      if (JavaVersion.current().isJava11Compatible()) {
-        task.options.release = 8
-      }
       if (project.hasProperty("showDeprecation")) {
         options.compilerArgs << "-Xlint:deprecation"
       }
@@ -123,11 +120,6 @@ subprojects {
         options.compilerArgs << "-Xlint:unchecked"
       }
     }
-    project.tasks.withType(GroovyCompile) { task ->
-      if (JavaVersion.current().isJava11Compatible()) {
-        task.options.release = 8
-      }
-    }
   }
 
   repositories {
@@ -201,7 +193,6 @@ configure(subprojects.findAll { !it.isDistribution() }) {
   javadoc {
     // Oracle JDK8 likes to fail the build over spoiled HTML
     options.addStringOption('Xdoclint:none', '-quiet')
-    options.source('8')
   }
 }
 
@@ -210,6 +201,9 @@ configure(subprojects.findAll { !it.name.endsWith('-distribution') && ! it.name.
   java {
     withJavadocJar()
     withSourcesJar()
+    toolchain {
+      languageVersion.set(JavaLanguageVersion.of(11))
+    }
   }
 
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index fc10b601f..bdc9a83b1 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.0.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0.2-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists