diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6da95cf9..d303a3b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@ PowerModels.jl Change Log
 =========================
 
 ### Staged
+- nothing
+
+### v0.19.9
 - Fix implementation of polynomial costs above quadratic
 - Add tests for opf objective expression types
 - Update tests for compat with Julia v1.9 (#861)
diff --git a/Project.toml b/Project.toml
index 51fd54c6..9da27367 100644
--- a/Project.toml
+++ b/Project.toml
@@ -2,7 +2,7 @@ name = "PowerModels"
 uuid = "c36e90e8-916a-50a6-bd94-075b64ef4655"
 authors = ["Carleton Coffrin"]
 repo = "https://github.com/lanl-ansi/PowerModels.jl"
-version = "0.19.8"
+version = "0.19.9"
 
 [deps]
 InfrastructureModels = "2030c09a-7f63-5d83-885d-db604e0e9cc0"
diff --git a/test/opf-obj.jl b/test/opf-obj.jl
index 875df5cb..a021291a 100644
--- a/test/opf-obj.jl
+++ b/test/opf-obj.jl
@@ -71,7 +71,8 @@ end
         pm = instantiate_model(data, ACPPowerModel, build_opf)
 
         @test JuMP.objective_function(pm.model) == JuMP.AffExpr(0.0)
-        @test isa(JuMP._nlp_objective_function(pm.model), JuMP.MOI.Nonlinear.Expression)
+        # would be good to add a test like this one in a future version where the NL expression can be accessed with a public API
+        #@test isa(JuMP._nlp_objective_function(pm.model), JuMP.MOI.Nonlinear.Expression)
     end
 
     @testset "opf objective" begin