diff --git a/build.gradle b/build.gradle
index e19850b..5c1e015 100644
--- a/build.gradle
+++ b/build.gradle
@@ -26,7 +26,7 @@ ext {
 }
 
 dependencies {
-  implementation 'org.apache.commons:commons-exec:1.3'
+  implementation 'org.apache.commons:commons-exec:1.4.0'
   implementation 'org.ini4j:ini4j:0.5.4'
   implementation 'org.plumelib:options:2.0.3'
   implementation 'org.plumelib:plume-util:1.9.0'