diff --git a/private/react-native-fantom/build.gradle.kts b/private/react-native-fantom/build.gradle.kts
index d253b8f14f9..a0d5df7e93d 100644
--- a/private/react-native-fantom/build.gradle.kts
+++ b/private/react-native-fantom/build.gradle.kts
@@ -216,6 +216,7 @@ val buildFantomTester by
       dependsOn(configureFantomTester)
       workingDir(testerDir)
       inputs.files(testerBuildOutputFileTree)
+      outputs.upToDateWhen { false }
       commandLine(
           cmakeBinaryPath,
           "--build",