diff --git a/version.gradle b/version.gradle
index 5b04bbf..752648d 100644
--- a/version.gradle
+++ b/version.gradle
@@ -9,6 +9,7 @@ allprojects {
         minAndroidSdk = 10
         javaSourceCompatibility = 1.8
         junitVersion = '5.8.2'
+        junitSysExitVersion = '1.1.2'
         jsrVersion = '3.0.2'
         slf4jVersion = '1.7.36'
         logbackVersion = '1.2.11'
diff --git a/wkd-java-cli/build.gradle b/wkd-java-cli/build.gradle
index d4dc225..40458b3 100644
--- a/wkd-java-cli/build.gradle
+++ b/wkd-java-cli/build.gradle
@@ -18,7 +18,7 @@ dependencies {
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:$junitVersion"
 
     // https://todd.ginsberg.com/post/testing-system-exit/
-    testImplementation 'com.ginsberg:junit5-system-exit:1.1.2'
+    testImplementation "com.ginsberg:junit5-system-exit:$junitSysExitVersion"
     testImplementation 'org.mockito:mockito-core:4.3.1'
 
     implementation("org.pgpainless:pgpainless-cert-d:0.1.1")