diff --git a/apex/builder.go b/apex/builder.go
index 9e368b6..4be34d2 100644
--- a/apex/builder.go
+++ b/apex/builder.go
@@ -236,6 +236,10 @@
 	}
 
 	manifestJsonFullOut := android.PathForModuleOut(ctx, "apex_manifest_full.json")
+	defaultVersion := android.DefaultUpdatableModuleVersion
+	if override := ctx.Config().Getenv("OVERRIDE_APEX_MANIFEST_DEFAULT_VERSION"); override != "" {
+		defaultVersion = override
+	}
 	ctx.Build(pctx, android.BuildParams{
 		Rule:   apexManifestRule,
 		Input:  src,
@@ -243,7 +247,7 @@
 		Args: map[string]string{
 			"provideNativeLibs": strings.Join(provideNativeLibs, " "),
 			"requireNativeLibs": strings.Join(requireNativeLibs, " "),
-			"default_version":   android.DefaultUpdatableModuleVersion,
+			"default_version":   defaultVersion,
 			"opt":               strings.Join(optCommands, " "),
 		},
 	})