diff --git a/interfaces/cython/cantera/examples/onedim/flamespeed_sensitivity.py b/interfaces/cython/cantera/examples/onedim/flamespeed_sensitivity.py
index 5436e70af..f5ebae78b 100644
--- a/interfaces/cython/cantera/examples/onedim/flamespeed_sensitivity.py
+++ b/interfaces/cython/cantera/examples/onedim/flamespeed_sensitivity.py
@@ -15,8 +15,6 @@ Tin = 300.0  # unburned gas temperature [K]
 reactants = 'CH4:0.45, O2:1.0, N2:3.76'
 
 width = 0.03  # m
-tol_ss = [1.0e-9, 1.0e-14]  # [rtol atol] for steady-state problem
-tol_ts = [1.0e-5, 1.0e-14]  # [rtol atol] for time stepping
 
 # IdealGasMix object used to compute mixture properties
 gas = ct.Solution('gri30.xml', 'gri30_mix')
@@ -24,35 +22,17 @@ gas.TPX = Tin, p, reactants
 
 # Flame object
 f = ct.FreeFlame(gas, width=width)
-f.flame.set_steady_tolerances(default=tol_ss)
-f.flame.set_transient_tolerances(default=tol_ts)
 f.set_refine_criteria(ratio=3, slope=0.07, curve=0.14)
 
 f.solve(loglevel=1, auto=True)
-
-Su0 = f.u[0]
 print('\nmixture-averaged flamespeed = {:7f} m/s\n'.format(f.u[0]))
 
-print('Initial Solution:')
-f.show_stats()
-
-# Perturbation size. This must be large compared to the steady-state relative
-# tolerance (tol_ss[0]. Sensitivities less than approximately tol_ss[0] / dk
-# are not reliable.
-dk = 1e-2
+# Use the adjoint method to calculate sensitivities
+sens = f.get_flame_speed_reaction_sensitivities()
 
 print()
 print('Rxn #   k/S*dS/dk    Reaction Equation')
 print('-----   ----------   ----------------------------------')
 for m in range(gas.n_reactions):
-    gas.set_multiplier(1.0) # reset all multipliers
-    gas.set_multiplier(1+dk, m) # perturb reaction m
-    f.solve(loglevel=0, refine_grid=False)
-    Su = f.u[0]
     print('{: 5d}   {: 10.3e}   {}'.format(
-          m, (Su-Su0)/(Su0*dk), gas.reaction_equation(m)))
-
-# Sensitivity analysis requires additional function evaluations on the final
-# grid, but no additional Jacobian evaluations.
-print('\nInitial Solution + Sensitivity calculations:')
-f.show_stats()
+          m, sens[m], gas.reaction_equation(m)))
diff --git a/interfaces/cython/cantera/onedim.py b/interfaces/cython/cantera/onedim.py
index e41f6ba19..9b26a8f29 100644
--- a/interfaces/cython/cantera/onedim.py
+++ b/interfaces/cython/cantera/onedim.py
@@ -453,6 +453,34 @@ class FreeFlame(FlameBase):
             self.set_profile(self.gas.species_name(n),
                              locs, [Y0[n], Y0[n], Yeq[n], Yeq[n]])
 
+    def get_flame_speed_reaction_sensitivities(self):
+        r"""
+        Compute the normalized sensitivities of the laminar flame speed
+        :math:`S_u` with respect to the reaction rate constants :math:`k_i`:
+
+        .. math::
+
+            s_i = \frac{k_i}{S_u} \frac{dS_u}{dk_i}
+        """
+
+        def g(sim):
+            return sim.u[0]
+
+        Nvars = sum(D.n_components * D.n_points for D in self.domains)
+
+        # Index of u[0] in the global solution vector
+        i_Su = self.inlet.n_components + self.flame.component_index('u')
+
+        dgdx = np.zeros(Nvars)
+        dgdx[i_Su] = 1
+
+        Su0 = g(self)
+
+        def perturb(sim, i, dp):
+            sim.gas.set_multiplier(1+dp, i)
+
+        return self.solve_adjoint(perturb, self.gas.n_reactions, dgdx) / Su0
+
 
 class BurnerFlame(FlameBase):
     """A burner-stabilized flat flame."""
diff --git a/interfaces/cython/cantera/test/test_onedim.py b/interfaces/cython/cantera/test/test_onedim.py
index d667a2910..37c7e9dc8 100644
--- a/interfaces/cython/cantera/test/test_onedim.py
+++ b/interfaces/cython/cantera/test/test_onedim.py
@@ -227,6 +227,28 @@ class TestFreeFlame(utilities.CanteraTest):
     def test_mixture_averaged_case8(self):
         self.run_mix(phi=2.0, T=400, width=2.0, p=5.0, refine=False)
 
+    def test_adjoint_sensitivities(self):
+        self.run_mix(phi=0.5, T=300, width=0.1, p=1.0, refine=True)
+        self.sim.flame.set_steady_tolerances(default=(1e-10, 1e-15))
+        self.sim.solve(loglevel=0, refine_grid=False)
+
+        # Adjoint sensitivities
+        dSdk_adj = self.sim.get_flame_speed_reaction_sensitivities()
+
+        # Forward sensitivities
+        dk = 1e-4
+        Su0 = self.sim.u[0]
+        for m in range(self.gas.n_reactions):
+            self.gas.set_multiplier(1.0) # reset all multipliers
+            self.gas.set_multiplier(1+dk, m) # perturb reaction m
+            self.sim.solve(loglevel=0, refine_grid=False)
+            Suplus = self.sim.u[0]
+            self.gas.set_multiplier(1-dk, m) # perturb reaction m
+            self.sim.solve(loglevel=0, refine_grid=False)
+            Suminus = self.sim.u[0]
+            fwd = (Suplus-Suminus)/(2*Su0*dk)
+            self.assertNear(fwd, dSdk_adj[m], 5e-3)
+
     # @utilities.unittest.skip('sometimes slow')
     def test_multicomponent(self):
         reactants = 'H2:1.1, O2:1, AR:5.3'