diff --git a/Project.toml b/Project.toml
index 0c10b9a..c827178 100644
--- a/Project.toml
+++ b/Project.toml
@@ -38,7 +38,7 @@ OptimizationZygoteExt = "Zygote"
 ADTypes = "1"
 ArrayInterface = "7.6"
 DocStringExtensions = "0.9"
-Enzyme = "0.11.11, =0.12.6"
+Enzyme = "0.12.12"
 FiniteDiff = "2.12"
 ForwardDiff = "0.10.26"
 LinearAlgebra = "1.9, 1.10"
diff --git a/test/adtests.jl b/test/adtests.jl
index 3d7586b..81f4aff 100644
--- a/test/adtests.jl
+++ b/test/adtests.jl
@@ -521,7 +521,7 @@ optprob.hess(H2, x0)
     @test optprob.hess(x0) == H1
     @test optprob.cons(x0) == [0.0, 0.0]
     @test optprob.cons_j([5.0, 3.0])≈[10.0 6.0; -0.149013 -0.958924] rtol=1e-6
-    @test_broken optprob.cons_h(x0) # == [[2.0 0.0; 0.0 2.0], [-0.0 1.0; 1.0 0.0]]
+    @test_broken optprob.cons_h(x0) == [[2.0 0.0; 0.0 2.0], [-0.0 1.0; 1.0 0.0]]
 
     cons = (x, p) -> [x[1]^2 + x[2]^2]
     optf = OptimizationFunction{false}(rosenbrock,