diff --git a/tests/core/pyspec/eth2spec/test/altair/unittests/test_config_invariants.py b/tests/core/pyspec/eth2spec/test/altair/unittests/test_config_invariants.py
index d24b56adc..4443f97e0 100644
--- a/tests/core/pyspec/eth2spec/test/altair/unittests/test_config_invariants.py
+++ b/tests/core/pyspec/eth2spec/test/altair/unittests/test_config_invariants.py
@@ -15,3 +15,9 @@ def test_weight_denominator(spec, state):
         + spec.SYNC_REWARD_WEIGHT
         + spec.PROPOSER_WEIGHT
     ) == spec.WEIGHT_DENOMINATOR
+
+
+@with_phases([ALTAIR])
+@spec_state_test
+def test_inactivity_score(spec, state):
+    assert spec.config.INACTIVITY_SCORE_BIAS <= spec.config.INACTIVITY_SCORE_RECOVERY_RATE
diff --git a/tests/core/pyspec/eth2spec/test/phase0/unittests/test_config_invariants.py b/tests/core/pyspec/eth2spec/test/phase0/unittests/test_config_invariants.py
index fc73e66ac..078b48ea5 100644
--- a/tests/core/pyspec/eth2spec/test/phase0/unittests/test_config_invariants.py
+++ b/tests/core/pyspec/eth2spec/test/phase0/unittests/test_config_invariants.py
@@ -47,3 +47,9 @@ def test_incentives(spec, state):
 @spec_state_test
 def test_time(spec, state):
     assert spec.SLOTS_PER_EPOCH <= spec.SLOTS_PER_HISTORICAL_ROOT
+
+
+@with_all_phases
+@spec_state_test
+def test_networking(spec, state):
+    assert spec.RANDOM_SUBNETS_PER_VALIDATOR <= spec.ATTESTATION_SUBNET_COUNT