diff --git a/build.gradle b/build.gradle
index 8195838e..0898eda0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,7 +9,7 @@ buildscript {
         classpath 'com.palantir.jakartapackagealignment:jakarta-package-alignment:0.6.0'
         classpath 'com.palantir.gradle.jdks:gradle-jdks:0.58.0'
         classpath 'com.palantir.gradle.jdkslatest:gradle-jdks-latest:0.16.0'
-        classpath 'com.palantir.gradle.plugintesting:gradle-plugin-testing:0.4.0'
+        classpath 'com.palantir.gradle.plugintesting:gradle-plugin-testing:0.5.0'
         classpath 'org.unbroken-dome.gradle-plugins:gradle-testsets-plugin:4.1.0'
         classpath 'com.palantir.gradle.externalpublish:gradle-external-publish-plugin:1.19.0'
         classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.50.0'
diff --git a/versions.lock b/versions.lock
index 7265c30c..bd982033 100644
--- a/versions.lock
+++ b/versions.lock
@@ -60,7 +60,7 @@ org.slf4j:slf4j-api:1.7.36 (4 constraints: 4b4a7558)
 [Test dependencies]
 cglib:cglib-nodep:3.2.2 (1 constraints: 490ded24)
 com.netflix.nebula:nebula-test:10.6.1 (1 constraints: 3a053a3b)
-com.palantir.gradle.plugintesting:plugin-testing-core:0.4.0 (1 constraints: 0605f735)
+com.palantir.gradle.plugintesting:plugin-testing-core:0.5.0 (1 constraints: 0705fa35)
 junit:junit:4.13.2 (1 constraints: 1b0e1d4c)
 net.bytebuddy:byte-buddy:1.15.4 (2 constraints: c916c650)
 net.bytebuddy:byte-buddy-agent:1.15.4 (1 constraints: 450b45de)