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In this proceedings, we discuss a light (17 MeV) $Z'$ solution to the anomalyobserved in the decay of Beryllium-8 by the Atomki collaboration. We detail ananomaly free model with minimal particle content which can satisfy all otherexperimental constraints with gauge couplings $\mathcal{O}(10^{-4})$.

${}^8$Be Decay Anomaly and Light $Z'$