  The present-day $B$-anomalies involving $b \to s \mu^+ \mu^-$ or $b \to c
\tau^- {\bar\nu}$ transitions can all be explained with the addition of a
vector $U_1$ leptoquark with a mass of $M_{U_1} \ge 1.8$ TeV. In the scalar
singlet dark matter model (SSDMM), the DM is a scalar $S$ that couples to the
Higgs via $\lambda_{hS} \, S^2|H|^2$. We update the fit to the data and find
that the SSDMM is now viable only for $M_S \ge
  1.6$ TeV. In this paper, we assume that the DM also couples to the $U_1$ via
$\lambda_{U_1 S} \, S^2 \, U_{1\mu}^{\dagger} U^{\mu}_1$. In addition to
leading to DM annihilation via $S S \to U_1 {\bar U}_1$, this coupling
generates $SSgg$ and $SS\gamma\gamma$ couplings at one loop. Although naively
divergent, these loop diagrams can be calculated under the assumption that the
$U_1$ is a gauge boson of a group broken at the TeV scale. With this DM-$U_1$
coupling term, there are additional contributions to the various DM observables
(relic density, direct and indirect detection). We find that the constraints on
the SSDMM are relaxed for both heavy DM ($M_S \ge M_{U_1}$) and light DM ($M_S
< M_{U_1}$).
