diff --git a/build.gradle b/build.gradle
index 2c41b67..706b65c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,9 +1,9 @@
 import groovy.xml.XmlParser
 
 plugins {
-  id "com.diffplug.spotless" version "6.20.0"
-  id "com.github.ben-manes.versions" version "0.47.0"
-  id "com.github.spotbugs" version "5.0.14"
+  id "com.diffplug.spotless" version "6.25.0"
+  id "com.github.ben-manes.versions" version "0.51.0"
+  id "com.github.spotbugs" version "6.0.8"
   // id "de.aaschmid.cpd" version "3.3"
   id "eclipse"
   id "jacoco"
@@ -12,7 +12,7 @@ plugins {
   id "maven-publish"
   id "net.ltgt.errorprone" version "3.1.0"
   id "org.openstreetmap.josm" version "0.8.2"
-  id "org.sonarqube" version "4.2.1.3168"
+  id "org.sonarqube" version "4.4.1.3373"
   id "pmd"
 }
 
@@ -29,15 +29,15 @@ repositories {
 
 def versions = [
   awaitility: "4.2.0",
-  equalsverifier: "3.15",
-  errorprone: "2.20.0",
-  findsecbugs: "1.12.0",
+  equalsverifier: "3.15.8",
+  errorprone: "2.26.0",
+  findsecbugs: "1.13.0",
   jacoco: "0.8.10",
   jmockit: "1.49.a",
   josm: properties.get("plugin.compile.version"),
-  junit: "5.9.1",
+  junit: "5.10.2",
   pmd: "6.20.0",
-  spotbugs: "4.7.3",
+  spotbugs: "4.8.3",
   wiremock: "2.35.0",
 ]
 
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index afba109..033e24c 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 8801379..4baf5a1 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,7 +1,8 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionSha256Sum=03ec176d388f2aa99defcadc3ac6adf8dd2bce5145a129659537c0874dea5ad1
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.2.1-bin.zip
+distributionSha256Sum=9631d53cf3e74bfa726893aee1f8994fee4e060c401335946dba2156f440f24c
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
index 65dcd68..fcb6fca 100755
--- a/gradlew
+++ b/gradlew
@@ -85,9 +85,6 @@ done
 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"'
-
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
 
@@ -133,10 +130,13 @@ location of your Java installation."
     fi
 else
     JAVACMD=java
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
+    fi
 fi
 
 # Increase the maximum file descriptors if we can.
@@ -144,7 +144,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
         # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045 
+        # shellcheck disable=SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
@@ -152,7 +152,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
       '' | soft) :;; #(
       *)
         # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045 
+        # shellcheck disable=SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -197,6 +197,10 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
+
+# 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"'
+
 # Collect all arguments for the java command;
 #   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
 #     shell script including quotes and variable substitutions, so put them in