diff --git a/manager/spoof b/manager/spoof
index c7b16666..e3364471 100755
--- a/manager/spoof
+++ b/manager/spoof
@@ -25,4 +25,10 @@ find . -type f -exec sed -i \
     -e "s/com\/rifsxd\/ksunext/$word1\/$word2\/$word3/g" \
     -e "s/com_rifsxd_ksunext/${word1}_${word2}_${word3}/g" {} +
 
-echo "Done."
\ No newline at end of file
+# Append '-spoofed' to managerVersionName in build.gradle.kts
+if [ -f "./build.gradle.kts" ]; then
+    sed -i 's/\(val managerVersionName by extra(getVersionName())\)/\1\nval managerVersionNameSpoofed = "${managerVersionName}-spoofed"/' ./build.gradle.kts
+    sed -i 's/\(versionName = managerVersionName\)/versionName = managerVersionNameSpoofed/' ./build.gradle.kts
+fi
+
+echo "Done."