diff --git a/makefiles/Makefile.cpp.mk b/makefiles/Makefile.cpp.mk
index b0739f01a4..90882921d0 100755
--- a/makefiles/Makefile.cpp.mk
+++ b/makefiles/Makefile.cpp.mk
@@ -392,6 +392,7 @@ test_cc_sat_samples: \
  rcc_bool_or_sample_sat \
  rcc_channeling_sample_sat \
  rcc_cp_is_fun_sat \
+ rcc_earliness_tardiness_cost_sample_sat \
  rcc_interval_sample_sat \
  rcc_literal_sample_sat \
  rcc_no_overlap_sample_sat \
@@ -403,6 +404,7 @@ test_cc_sat_samples: \
  rcc_simple_sat_program \
  rcc_solve_and_print_intermediate_solutions_sample_sat \
  rcc_solve_with_time_limit_sample_sat \
+ rcc_step_function_sample_sat \
  rcc_stop_after_n_solutions_sample_sat
 
 .PHONY: check_cc_pimpl
diff --git a/makefiles/Makefile.dotnet.mk b/makefiles/Makefile.dotnet.mk
index ee4fc3dd94..9e1162361e 100644
--- a/makefiles/Makefile.dotnet.mk
+++ b/makefiles/Makefile.dotnet.mk
@@ -474,6 +474,7 @@ test_dotnet_sat_samples:
 	$(MAKE) run SOURCE=ortools/sat/samples/BoolOrSampleSat.cs
 	$(MAKE) run SOURCE=ortools/sat/samples/ChannelingSampleSat.cs
 	$(MAKE) run SOURCE=ortools/sat/samples/CpIsFunSat.cs
+	$(MAKE) run SOURCE=ortools/sat/samples/EarlinessTardinessCostSampleSat.cs
 	$(MAKE) run SOURCE=ortools/sat/samples/IntervalSampleSat.cs
 	$(MAKE) run SOURCE=ortools/sat/samples/LiteralSampleSat.cs
 	$(MAKE) run SOURCE=ortools/sat/samples/NoOverlapSampleSat.cs
@@ -485,6 +486,7 @@ test_dotnet_sat_samples:
 	$(MAKE) run SOURCE=ortools/sat/samples/SimpleSatProgram.cs
 	$(MAKE) run SOURCE=ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.cs
 	$(MAKE) run SOURCE=ortools/sat/samples/SolveWithTimeLimitSampleSat.cs
+	$(MAKE) run SOURCE=ortools/sat/samples/StepFunctionSampleSat.cs
 	$(MAKE) run SOURCE=ortools/sat/samples/StopAfterNSolutionsSampleSat.cs
 
 .PHONY: check_dotnet_pimpl
diff --git a/makefiles/Makefile.java.mk b/makefiles/Makefile.java.mk
index 909ac26631..1bee1bdffe 100755
--- a/makefiles/Makefile.java.mk
+++ b/makefiles/Makefile.java.mk
@@ -406,6 +406,7 @@ test_java_sat_samples: \
  rjava_BoolOrSampleSat \
  rjava_ChannelingSampleSat \
  rjava_CpIsFunSat \
+ rjava_EarlinessTardinessCostSampleSat \
  rjava_IntervalSampleSat \
  rjava_LiteralSampleSat \
  rjava_NoOverlapSampleSat \
@@ -417,6 +418,7 @@ test_java_sat_samples: \
  rjava_SimpleSatProgram \
  rjava_SolveAndPrintIntermediateSolutionsSampleSat \
  rjava_SolveWithTimeLimitSampleSat \
+ rjava_StepFunctionSampleSat \
  rjava_StopAfterNSolutionsSampleSat
 
 .PHONY: check_java_pimpl
diff --git a/makefiles/Makefile.python.mk b/makefiles/Makefile.python.mk
index c4ca110139..fef59cf422 100755
--- a/makefiles/Makefile.python.mk
+++ b/makefiles/Makefile.python.mk
@@ -540,6 +540,7 @@ test_python_sat_samples: \
  rpy_bool_or_sample_sat \
  rpy_channeling_sample_sat \
  rpy_cp_is_fun_sat \
+ rpy_earliness_tardiness_cost_sample_sat \
  rpy_interval_sample_sat \
  rpy_literal_sample_sat \
  rpy_minimal_jobshop_sat \
@@ -553,6 +554,7 @@ test_python_sat_samples: \
  rpy_search_for_all_solutions_sample_sat \
  rpy_solve_and_print_intermediate_solutions_sample_sat \
  rpy_solve_with_time_limit_sample_sat \
+ rpy_step_function_sample_sat \
  rpy_stop_after_n_solutions_sample_sat
 
 .PHONY: check_python_pimpl