diff --git a/java/com/facebook/soloader/SoLoader.java b/java/com/facebook/soloader/SoLoader.java
index 3038620..fb8ca51 100644
--- a/java/com/facebook/soloader/SoLoader.java
+++ b/java/com/facebook/soloader/SoLoader.java
@@ -93,7 +93,7 @@ public class SoLoader {
   /* package */ @Nullable static SoFileLoader sSoFileLoader;
 
   // optional identifier strings to facilitate bytecode analysis
-  public static String VERSION = "0.10.5";
+  public static final String VERSION = "0.10.5";
 
   /**
    * locking controlling the list of SoSources. We want to allow long running iterations over the