diff --git a/baksmali/build.gradle b/baksmali/build.gradle
index feeeb7fd..aae88a35 100644
--- a/baksmali/build.gradle
+++ b/baksmali/build.gradle
@@ -94,6 +94,7 @@ task proguard(type: proguard.gradle.ProGuardTask, dependsOn: fatJar) {
 
     keep 'public class org.jf.baksmali.Main { public static void main(java.lang.String[]); }'
     keep 'public class org.jf.util.jcommander.ColonParameterSplitter'
+    keep 'class com.beust.jcommander.** { *; }'
     keepclassmembers 'enum * { public static **[] values(); public static ** valueOf(java.lang.String); }'
 
     dontwarn 'com.google.common.**'
diff --git a/smali/build.gradle b/smali/build.gradle
index bf362c43..6472f216 100644
--- a/smali/build.gradle
+++ b/smali/build.gradle
@@ -142,6 +142,7 @@ task proguard(type: proguard.gradle.ProGuardTask, dependsOn: fatJar) {
     dontoptimize
 
     keep 'public class org.jf.smali.Main { public static void main(java.lang.String[]); }'
+    keep 'class com.beust.jcommander.** { *; }'
     keepclassmembers 'enum * { public static **[] values(); public static ** valueOf(java.lang.String); }'
 
     dontwarn 'com.google.common.**'