diff --git a/JavaConcurrency/ProficientInJavaConcurrency/pom.xml b/JavaConcurrency/ProficientInJavaConcurrency/pom.xml
index fc49339b..e388883b 100644
--- a/JavaConcurrency/ProficientInJavaConcurrency/pom.xml
+++ b/JavaConcurrency/ProficientInJavaConcurrency/pom.xml
@@ -37,7 +37,7 @@
junit
junit
- 4.12
+ 4.13.1
test