diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index ceb08c3..b0b057f 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -13,6 +13,9 @@ plagubot-plugins = "0.5.0"
 
 psql = "42.5.0"
 
+junit_version = "4.12"
+test_ext_junit_version = "1.1.3"
+
 [libraries]
 
 kotlin = { module = "org.jetbrains.kotlin:kotlin-stdlib", version.ref = "kotlin" }