diff --git a/theodolite-benchmarks/buildSrc/build.gradle b/theodolite-benchmarks/buildSrc/build.gradle
index 4c099de32dc97ed3aa0417e8fff1f06e2a50dfd8..e3c3a8cb496929a5005c28d5d87b00bae85ad2cd 100644
--- a/theodolite-benchmarks/buildSrc/build.gradle
+++ b/theodolite-benchmarks/buildSrc/build.gradle
@@ -1,14 +1,3 @@
-buildscript {
-  repositories {
-    maven {
-      url "https://plugins.gradle.org/m2/"
-    }
-  }
-  dependencies {
-    classpath "com.github.jengelman.gradle.plugins:shadow:6.0.0"
-  }
-}
-
 // to discover the precompiled script plugins
 plugins {
     id 'groovy-gradle-plugin'
@@ -19,6 +8,6 @@ repositories {
 }
 
 dependencies {
-    implementation 'gradle.plugin.com.github.spotbugs.snom:spotbugs-gradle-plugin:4.6.0'
-    implementation 'com.github.jengelman.gradle.plugins:shadow:6.0.0'
+    implementation 'com.github.spotbugs.snom:spotbugs-gradle-plugin:5.0.4'
+    implementation 'gradle.plugin.com.github.johnrengelman:shadow:7.1.2'
 }
diff --git a/theodolite-benchmarks/buildSrc/src/main/groovy/theodolite.java-conventions.gradle b/theodolite-benchmarks/buildSrc/src/main/groovy/theodolite.java-conventions.gradle
index 5b0e2a8a1211653428b296b11b14c1531e40e46b..a2912d96262f3d9c9f843ed508370e2798aeb735 100644
--- a/theodolite-benchmarks/buildSrc/src/main/groovy/theodolite.java-conventions.gradle
+++ b/theodolite-benchmarks/buildSrc/src/main/groovy/theodolite.java-conventions.gradle
@@ -66,5 +66,5 @@ spotbugs {
   reportLevel = "low"
   effort = "max"
   ignoreFailures = false
-  toolVersion = '4.1.4'
+  toolVersion = '4.5.3'
 }
diff --git a/theodolite-benchmarks/gradle/wrapper/gradle-wrapper.properties b/theodolite-benchmarks/gradle/wrapper/gradle-wrapper.properties
index 442d9132ea32808ad980df4bd233b359f76341a7..2e6e5897b5285c749d75662c65ac5d2904c37bc6 100644
--- a/theodolite-benchmarks/gradle/wrapper/gradle-wrapper.properties
+++ b/theodolite-benchmarks/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists