diff --git a/buildSrc/build.gradle b/buildSrc/build.gradle
index 4aed7629..9369cc7a 100644
--- a/buildSrc/build.gradle
+++ b/buildSrc/build.gradle
@@ -46,7 +46,7 @@ dependencies {
 	implementation 'com.fasterxml.jackson.core:jackson-databind:2.11.4'
 	implementation 'io.github.gradle-nexus:publish-plugin:1.1.0'
 	implementation("io.spring.javaformat:spring-javaformat-gradle-plugin:0.0.38")
-	implementation 'io.spring.nohttp:nohttp-gradle:0.0.10'
+	implementation 'io.spring.nohttp:nohttp-gradle:0.0.11'
 	implementation "org.apache.maven:maven-embedder:3.6.3"
 	implementation "org.asciidoctor:asciidoctor-gradle-jvm:3.3.2"
 	implementation 'org.codehaus.groovy:groovy-all:2.5.17'
diff --git a/gradle/aggregate-jacoco-report.gradle b/gradle/aggregate-jacoco-report.gradle
index 29baf2d3..3b7798ca 100644
--- a/gradle/aggregate-jacoco-report.gradle
+++ b/gradle/aggregate-jacoco-report.gradle
@@ -16,8 +16,8 @@ project.afterEvaluate {
 		description = 'Generates aggregate code coverage report for all projects test tasks'
 
 		reports {
-			html.enabled = true
-			xml.enabled = true
+			html.required = true
+			xml.required = true
 		}
 
 		def excludes = [
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 41d9927a..afba1092 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 5b6fb15e..c30b486a 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-7.4.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionSha256Sum=e5444a57cda4a95f90b0c9446a9e1b47d3d7f69057765bfb54bd4f482542d548
diff --git a/gradlew b/gradlew
index 1b6c7873..65dcd68d 100755
--- a/gradlew
+++ b/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -205,6 +209,12 @@ set -- \
         org.gradle.wrapper.GradleWrapperMain \
         "$@"
 
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
 # Use "xargs" to parse quoted args.
 #
 # With -n1 it outputs one arg per line, with the quotes and backslashes removed.
diff --git a/gradlew.bat b/gradlew.bat
index ac1b06f9..6689b85b 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -14,7 +14,7 @@
 @rem limitations under the License.
 @rem
 
-@if "%DEBUG%" == "" @echo off
+@if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
 @rem
 @rem  Gradle startup script for Windows
@@ -25,7 +25,8 @@
 if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
@@ -40,7 +41,7 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto execute
+if %ERRORLEVEL% equ 0 goto execute
 
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
@@ -75,13 +76,15 @@ set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 :end
 @rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
+if %ERRORLEVEL% equ 0 goto mainEnd
 
 :fail
 rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
 rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
 
 :mainEnd
 if "%OS%"=="Windows_NT" endlocal
diff --git a/spring-pulsar-docs/src/main/antora/modules/ROOT/pages/intro/building.adoc b/spring-pulsar-docs/src/main/antora/modules/ROOT/pages/intro/building.adoc
index c21a340c..848ba155 100644
--- a/spring-pulsar-docs/src/main/antora/modules/ROOT/pages/intro/building.adoc
+++ b/spring-pulsar-docs/src/main/antora/modules/ROOT/pages/intro/building.adoc
@@ -5,7 +5,7 @@ include::../attributes/attributes-variables.adoc[]
 
 If you have cloned the project locally, follow these steps to build the project from the source code.
 
-NOTE: Gradle `7.x (7.4 or above)` is required to build.
+NOTE: Gradle `8.x (8.3 or above)` is required to build.
 
 Run the following command to do a full build of the project:
 [indent=0]
diff --git a/src/nohttp/checkstyle.xml b/src/nohttp/checkstyle.xml
new file mode 100644
index 00000000..0b768267
--- /dev/null
+++ b/src/nohttp/checkstyle.xml
@@ -0,0 +1,13 @@
+<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
+		"https://www.puppycrawl.com/dtds/configuration_1_3.dtd">
+<module name="Checker">
+	<property name="charset" value="UTF-8"/>
+	<property name="fileExtensions" value=""/>
+	<module name="io.spring.nohttp.checkstyle.check.NoHttpCheck">
+		<property name="allowlistFileName" value="${config_loc}/allowlist.lines"/>
+	</module>
+	<module name="SuppressionFilter">
+		<property name="file" value="${config_loc}/suppressions.xml"/>
+	</module>
+	<module name="SuppressWithPlainTextCommentFilter"/>
+</module>
diff --git a/src/nohttp/suppressions.xml b/src/nohttp/suppressions.xml
new file mode 100644
index 00000000..7774803f
--- /dev/null
+++ b/src/nohttp/suppressions.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0"?>
+<!DOCTYPE suppressions PUBLIC
+	"-//Checkstyle//DTD SuppressionFilter Configuration 1.2//EN"
+	"https://checkstyle.org/dtds/suppressions_1_2.dtd">
+<suppressions>
+	<suppress files=".+\.(jar|git|ico|p12|gif|jks|jpg|svg)" checks="NoHttp" />
+</suppressions>