diff --git a/build.gradle b/build.gradle
index a3eaadbb..ce47ad9c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,7 +10,7 @@ buildscript {
         classpath 'com.palantir.gradle.idea-language-injector:gradle-idea-language-injector:0.2.0'
         classpath 'com.palantir.gradle.jdks:gradle-jdks:0.69.0'
         classpath 'com.palantir.gradle.jdkslatest:gradle-jdks-latest:0.23.0'
-        classpath 'com.palantir.gradle.plugintesting:gradle-plugin-testing:0.17.0'
+        classpath 'com.palantir.gradle.plugintesting:gradle-plugin-testing:0.19.0'
         classpath 'com.palantir.jakartapackagealignment:jakarta-package-alignment:0.6.0'
         classpath 'com.palantir.gradle.externalpublish:gradle-external-publish-plugin:1.26.0'
         classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.81.0'
diff --git a/versions.lock b/versions.lock
index 74c4130b..3aa3874f 100644
--- a/versions.lock
+++ b/versions.lock
@@ -22,11 +22,11 @@ cglib:cglib-nodep:3.2.2 (1 constraints: 490ded24)
 
 com.netflix.nebula:nebula-test:10.6.2 (2 constraints: d61de72d)
 
-com.palantir.gradle.plugintesting:configuration-cache-spec:0.17.0 (1 constraints: 3a05383b)
+com.palantir.gradle.plugintesting:configuration-cache-spec:0.19.0 (1 constraints: 3c053e3b)
 
-com.palantir.gradle.plugintesting:gradle-plugin-testing-junit:0.17.0 (1 constraints: 3a05383b)
+com.palantir.gradle.plugintesting:gradle-plugin-testing-junit:0.19.0 (1 constraints: 3c053e3b)
 
-com.palantir.gradle.plugintesting:plugin-testing-core:0.17.0 (1 constraints: 3a05383b)
+com.palantir.gradle.plugintesting:plugin-testing-core:0.19.0 (1 constraints: 3c053e3b)
 
 commons-io:commons-io:2.19.0 (1 constraints: db190cdf)