diff --git a/.npmignore b/.npmignore
index 4c82cca7..5c81151b 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,3 +1,4 @@
+/test
 /testIntegration
 /.idea
 /build
diff --git a/README.md b/README.md
index 2969aa89..7629bada 100644
--- a/README.md
+++ b/README.md
@@ -164,7 +164,7 @@ const java = javaInit.getJavaInstance();
 
 ```javascript
 const java = require("java");
-java.classpath.push("commons-lang3-3.1.jar");
+java.classpath.push("commons-lang3-3.18.0.jar");
 java.classpath.push("commons-io.jar");
 
 const list1 = java.newInstanceSync("java.util.ArrayList");
@@ -243,7 +243,7 @@ java.asyncOptions = {
   syncSuffix: "",              // Sync methods use the base name(!!)
   promiseSuffix: "Promise",   // Generate methods returning promises, using the suffix Promise.
 };
-java.classpath.push("commons-lang3-3.1.jar");
+java.classpath.push("commons-lang3-3.18.0.jar");
 java.classpath.push("commons-io.jar");
 
 java.import("java.util.ArrayList"); // see NOTE below
diff --git a/package.json b/package.json
index ebd426c3..8f73decf 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "jvm",
     "bridge"
   ],
-  "version": "0.16.1",
+  "version": "0.16.2",
   "engines": {
     "node": ">=8.0.0"
   },
diff --git a/scripts/commons-lang/.gitignore b/scripts/commons-lang/.gitignore
new file mode 100644
index 00000000..8b8c81d7
--- /dev/null
+++ b/scripts/commons-lang/.gitignore
@@ -0,0 +1,2 @@
+target/
+dependency-reduced-pom.xml
diff --git a/scripts/commons-lang/pom.xml b/scripts/commons-lang/pom.xml
new file mode 100644
index 00000000..5ec9c25a
--- /dev/null
+++ b/scripts/commons-lang/pom.xml
@@ -0,0 +1,40 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>commons-lang</groupId>
+  <artifactId>commons-lang</artifactId>
+  <version>1</version>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-lang3</artifactId>
+      <version>3.5</version>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-shade-plugin</artifactId>
+        <version>3.6.0</version>
+        <executions>
+          <execution>
+            <phase>package</phase>
+            <goals>
+              <goal>shade</goal>
+            </goals>
+            <configuration>
+              <relocations>
+                <relocation>
+                  <pattern>org.apache</pattern>
+                  <shadedPattern>nodejava.org.apache</shadedPattern>
+                </relocation>
+              </relocations>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>
\ No newline at end of file
diff --git a/scripts/update-commons-lang.sh b/scripts/update-commons-lang.sh
index d3e2d92e..e3eb71ae 100755
--- a/scripts/update-commons-lang.sh
+++ b/scripts/update-commons-lang.sh
@@ -1,20 +1,9 @@
 #!/bin/sh
 set -eu
+SCRIPT_DIR=$(dirname $(realpath $0))
 
-SCRIPT_DIR=$(dirname "$0")
-cd "${SCRIPT_DIR}/.."
-
-if [ -d build/commons-lang ]; then
-  cd build/commons-lang
-  git pull
-else
-  mkdir -p build
-  cd build
-  git clone --depth 1 git@github.com:apache/commons-lang.git
-  cd commons-lang
-fi
-
-mvn clean compile package -DskipTests
-java -jar ../../src-java/jarjar-1.4.jar process ../../src-java/commons-lang.jarjar.rules target/commons-lang3*-SNAPSHOT.jar ../../src-java/commons-lang3-node-java.jar
+cd "${SCRIPT_DIR}/commons-lang"
+mvn package
+cp "${SCRIPT_DIR}/commons-lang/target/commons-lang-1.jar" "${SCRIPT_DIR}/../src-java/commons-lang3-node-java.jar"
 
 echo "complete!"
diff --git a/src-java/commons-lang.jarjar.rules b/src-java/commons-lang.jarjar.rules
deleted file mode 100644
index a7f18d32..00000000
--- a/src-java/commons-lang.jarjar.rules
+++ /dev/null
@@ -1 +0,0 @@
-rule org.apache.** nodejava.org.apache.@1
diff --git a/src-java/commons-lang3-node-java.jar b/src-java/commons-lang3-node-java.jar
index 7a9b0200..7a44d7e7 100644
Binary files a/src-java/commons-lang3-node-java.jar and b/src-java/commons-lang3-node-java.jar differ
diff --git a/src-java/jarjar-1.4.jar b/src-java/jarjar-1.4.jar
deleted file mode 100644
index 68b9db9a..00000000
Binary files a/src-java/jarjar-1.4.jar and /dev/null differ
diff --git a/test/commons-lang3-3.1.jar b/test/commons-lang3-3.1.jar
deleted file mode 100644
index a85e539b..00000000
Binary files a/test/commons-lang3-3.1.jar and /dev/null differ
diff --git a/test/commons-lang3-3.18.0.jar b/test/commons-lang3-3.18.0.jar
new file mode 100644
index 00000000..9359e524
Binary files /dev/null and b/test/commons-lang3-3.18.0.jar differ
diff --git a/testHelpers.ts b/testHelpers.ts
index 7e44ee65..f5543a14 100644
--- a/testHelpers.ts
+++ b/testHelpers.ts
@@ -23,7 +23,7 @@ async function _getJava(asyncOptions?: AsyncOptions | null, options?: GetJavaOpt
   //java.options.push('-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005');
 
   java.classpath.push("test/");
-  java.classpath.push("test/commons-lang3-3.1.jar");
+  java.classpath.push("test/commons-lang3-3.18.0.jar");
 
   if (asyncOptions !== null) {
     java.asyncOptions = asyncOptions ?? {