diff --git a/build.gradle b/build.gradle
index d0eff145835c1cf25905d9721e87f030994dff55..8efc48a73df400c83217301a29fb18b1d847eca2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -74,7 +74,7 @@ dependencies {
 
     // https://mvnrepository.com/artifact/org.apache.commons/commons-collections4
     implementation group: 'org.apache.commons', name: 'commons-collections4', version: '4.4'
-    compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.0'
+    implementation group: 'org.apache.commons', name: 'commons-lang3', version: '3.0'
 
     implementation 'com.google.code.gson:gson:2.9.0'
 
@@ -248,4 +248,4 @@ compileJava.dependsOn generateMarkingCheckerBeaver
 compileJava.dependsOn generateReachabilityCheckerBeaver
 compileJava.dependsOn generateMarkingScanner
 compileJava.dependsOn generateReachabilityScanner
-compileJava.dependsOn generateExpressionBeaver
\ No newline at end of file
+compileJava.dependsOn generateExpressionBeaver