diff --git a/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/Eth2ReferenceTestCase.java b/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/Eth2ReferenceTestCase.java
index 9e80ac11692..e01b094ae38 100644
--- a/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/Eth2ReferenceTestCase.java
+++ b/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/Eth2ReferenceTestCase.java
@@ -70,6 +70,14 @@ public abstract class Eth2ReferenceTestCase {
           .putAll(RewardsTestExecutorBellatrix.REWARDS_TEST_TYPES)
           .build();
 
+  private static final ImmutableMap<String, TestExecutor> CAPELLA_TEST_TYPES =
+      ImmutableMap.<String, TestExecutor>builder()
+          .putAll(TransitionTestExecutor.TRANSITION_TEST_TYPES)
+          .putAll(ForkUpgradeTestExecutor.FORK_UPGRADE_TEST_TYPES)
+          .putAll(RewardsTestExecutorBellatrix.REWARDS_TEST_TYPES)
+          .putAll(OperationsTestExecutor.OPERATIONS_TEST_TYPES)
+          .build();
+
   protected void runReferenceTest(final TestDefinition testDefinition) throws Throwable {
     getExecutorFor(testDefinition).runTest(testDefinition);
   }
@@ -78,12 +86,22 @@ private TestExecutor getExecutorFor(final TestDefinition testDefinition) {
     TestExecutor testExecutor = null;
 
     // Look for fork-specific tests first
-    if (testDefinition.getFork().equals(TestFork.PHASE0)) {
-      testExecutor = PHASE_0_TEST_TYPES.get(testDefinition.getTestType());
-    } else if (testDefinition.getFork().equals(TestFork.ALTAIR)) {
-      testExecutor = ALTAIR_TEST_TYPES.get(testDefinition.getTestType());
-    } else if (testDefinition.getFork().equals(TestFork.BELLATRIX)) {
-      testExecutor = BELLATRIX_TEST_TYPES.get(testDefinition.getTestType());
+    switch (testDefinition.getFork()) {
+      case TestFork.PHASE0:
+        testExecutor = PHASE_0_TEST_TYPES.get(testDefinition.getTestType());
+        break;
+      case TestFork.ALTAIR:
+        testExecutor = ALTAIR_TEST_TYPES.get(testDefinition.getTestType());
+        break;
+      case TestFork.BELLATRIX:
+        testExecutor = BELLATRIX_TEST_TYPES.get(testDefinition.getTestType());
+        break;
+      case TestFork.CAPELLA:
+        testExecutor = CAPELLA_TEST_TYPES.get(testDefinition.getTestType());
+        break;
+      default:
+        throw new UnsupportedOperationException(
+            "Fork " + testDefinition.getFork() + " not implemented");
     }
 
     // Look for a common test type if no specific override present
diff --git a/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/common/operations/DefaultOperationProcessor.java b/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/common/operations/DefaultOperationProcessor.java
index d6e9764d3a7..073928ebea2 100644
--- a/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/common/operations/DefaultOperationProcessor.java
+++ b/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/common/operations/DefaultOperationProcessor.java
@@ -25,6 +25,7 @@
 import tech.pegasys.teku.spec.datastructures.operations.AttesterSlashing;
 import tech.pegasys.teku.spec.datastructures.operations.Deposit;
 import tech.pegasys.teku.spec.datastructures.operations.ProposerSlashing;
+import tech.pegasys.teku.spec.datastructures.operations.SignedBlsToExecutionChange;
 import tech.pegasys.teku.spec.datastructures.operations.SignedVoluntaryExit;
 import tech.pegasys.teku.spec.datastructures.state.beaconstate.MutableBeaconState;
 import tech.pegasys.teku.spec.logic.common.statetransition.exceptions.BlockProcessingException;
@@ -112,4 +113,12 @@ public void processExecutionPayload(
     spec.getBlockProcessor(state.getSlot())
         .processExecutionPayload(state, executionPayloadHeader, executionPayload, payloadExecutor);
   }
+
+  @Override
+  public void processBlsToExecutionChange(
+      final MutableBeaconState state, final SignedBlsToExecutionChange blsToExecutionChange)
+      throws BlockProcessingException {
+    spec.getBlockProcessor(state.getSlot())
+        .processBlsToExecutionChange(state, blsToExecutionChange);
+  }
 }
diff --git a/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/common/operations/OperationProcessor.java b/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/common/operations/OperationProcessor.java
index 7cf0eb146ef..9ec0977fb36 100644
--- a/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/common/operations/OperationProcessor.java
+++ b/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/common/operations/OperationProcessor.java
@@ -22,6 +22,7 @@
 import tech.pegasys.teku.spec.datastructures.operations.AttesterSlashing;
 import tech.pegasys.teku.spec.datastructures.operations.Deposit;
 import tech.pegasys.teku.spec.datastructures.operations.ProposerSlashing;
+import tech.pegasys.teku.spec.datastructures.operations.SignedBlsToExecutionChange;
 import tech.pegasys.teku.spec.datastructures.operations.SignedVoluntaryExit;
 import tech.pegasys.teku.spec.datastructures.state.beaconstate.MutableBeaconState;
 import tech.pegasys.teku.spec.logic.common.statetransition.exceptions.BlockProcessingException;
@@ -55,4 +56,9 @@ void processExecutionPayload(
       Optional<ExecutionPayload> payload,
       Optional<? extends OptimisticExecutionPayloadExecutor> payloadExecutor)
       throws BlockProcessingException;
+
+  void processBlsToExecutionChange(
+      MutableBeaconState state, SignedBlsToExecutionChange blsToExecutionChange)
+      throws BlockProcessingException;
+  ;
 }
diff --git a/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/common/operations/OperationsTestExecutor.java b/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/common/operations/OperationsTestExecutor.java
index 39eebe3749d..cd1836069bd 100644
--- a/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/common/operations/OperationsTestExecutor.java
+++ b/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/common/operations/OperationsTestExecutor.java
@@ -37,6 +37,7 @@
 import tech.pegasys.teku.spec.datastructures.operations.AttesterSlashing;
 import tech.pegasys.teku.spec.datastructures.operations.Deposit;
 import tech.pegasys.teku.spec.datastructures.operations.ProposerSlashing;
+import tech.pegasys.teku.spec.datastructures.operations.SignedBlsToExecutionChange;
 import tech.pegasys.teku.spec.datastructures.operations.SignedVoluntaryExit;
 import tech.pegasys.teku.spec.datastructures.state.beaconstate.BeaconState;
 import tech.pegasys.teku.spec.datastructures.state.beaconstate.BeaconStateCache;
@@ -47,6 +48,7 @@
 import tech.pegasys.teku.spec.logic.common.statetransition.exceptions.EpochProcessingException;
 import tech.pegasys.teku.spec.logic.common.statetransition.exceptions.SlotProcessingException;
 import tech.pegasys.teku.spec.schemas.SchemaDefinitionsBellatrix;
+import tech.pegasys.teku.spec.schemas.SchemaDefinitionsCapella;
 import tech.pegasys.teku.statetransition.validation.AttesterSlashingValidator;
 import tech.pegasys.teku.statetransition.validation.OperationValidator;
 import tech.pegasys.teku.statetransition.validation.ProposerSlashingValidator;
@@ -64,7 +66,8 @@ private enum Operation {
     VOLUNTARY_EXIT,
     ATTESTATION,
     SYNC_AGGREGATE,
-    EXECUTION_PAYLOAD
+    EXECUTION_PAYLOAD,
+    BLS_TO_EXECUTION_CHANGE
   }
 
   public static final ImmutableMap<String, TestExecutor> OPERATIONS_TEST_TYPES =
@@ -99,6 +102,10 @@ private enum Operation {
               "operations/execution_payload",
               new OperationsTestExecutor<>(
                   "execution_payload.ssz_snappy", Operation.EXECUTION_PAYLOAD))
+          .put(
+              "operations/bls_to_execution_change",
+              new OperationsTestExecutor<>(
+                  "address_change.ssz_snappy", Operation.EXECUTION_PAYLOAD))
           .build();
 
   private final String dataFileName;
@@ -289,6 +296,19 @@ private void processOperation(
             Optional.of(
                 (latestExecutionPayloadHeader, payloadToExecute) -> executionMeta.executionValid));
         break;
+      case BLS_TO_EXECUTION_CHANGE:
+        final SchemaDefinitionsCapella schemaDefinitionsCapella =
+            testDefinition.getSpec().getGenesisSchemaDefinitions().toVersionCapella().orElseThrow();
+        final SignedBlsToExecutionChange blsToExecutionChange =
+            loadSsz(
+                testDefinition,
+                dataFileName,
+                schemaDefinitionsCapella.getSignedBlsToExecutionChangeSchema());
+        processor.processBlsToExecutionChange(state, blsToExecutionChange);
+        break;
+      default:
+        throw new UnsupportedOperationException(
+            "Operation " + operation + " not implemented in OperationTestExecutor");
     }
   }
 
diff --git a/eth-tests/src/main/java/tech/pegasys/teku/ethtests/TestFork.java b/eth-tests/src/main/java/tech/pegasys/teku/ethtests/TestFork.java
index d72f2f64066..d79528f18a6 100644
--- a/eth-tests/src/main/java/tech/pegasys/teku/ethtests/TestFork.java
+++ b/eth-tests/src/main/java/tech/pegasys/teku/ethtests/TestFork.java
@@ -17,4 +17,6 @@ public class TestFork {
   public static final String PHASE0 = "phase0";
   public static final String ALTAIR = "altair";
   public static final String BELLATRIX = "bellatrix";
+
+  public static final String CAPELLA = "capella";
 }
diff --git a/eth-tests/src/main/java/tech/pegasys/teku/ethtests/finder/ReferenceTestFinder.java b/eth-tests/src/main/java/tech/pegasys/teku/ethtests/finder/ReferenceTestFinder.java
index 56bb9a1de63..5f8a8a1626e 100644
--- a/eth-tests/src/main/java/tech/pegasys/teku/ethtests/finder/ReferenceTestFinder.java
+++ b/eth-tests/src/main/java/tech/pegasys/teku/ethtests/finder/ReferenceTestFinder.java
@@ -29,7 +29,7 @@ public class ReferenceTestFinder {
   private static final Path TEST_PATH_FROM_MODULE =
       Path.of("src", "referenceTest", "resources", "eth2.0-spec-tests", "tests");
   private static final List<String> SUPPORTED_FORKS =
-      List.of(TestFork.PHASE0, TestFork.ALTAIR, TestFork.BELLATRIX);
+      List.of(TestFork.PHASE0, TestFork.ALTAIR, TestFork.BELLATRIX, TestFork.CAPELLA);
 
   @MustBeClosed
   public static Stream<TestDefinition> findReferenceTests() throws IOException {
diff --git a/eth-tests/src/main/java/tech/pegasys/teku/ethtests/finder/TestDefinition.java b/eth-tests/src/main/java/tech/pegasys/teku/ethtests/finder/TestDefinition.java
index b67c984d7fc..5ff403a70a1 100644
--- a/eth-tests/src/main/java/tech/pegasys/teku/ethtests/finder/TestDefinition.java
+++ b/eth-tests/src/main/java/tech/pegasys/teku/ethtests/finder/TestDefinition.java
@@ -83,6 +83,9 @@ private void createSpec() {
       case TestFork.BELLATRIX:
         highestSupportedMilestone = SpecMilestone.BELLATRIX;
         break;
+      case TestFork.CAPELLA:
+        highestSupportedMilestone = SpecMilestone.CAPELLA;
+        break;
       default:
         throw new IllegalArgumentException("Unknown fork: " + fork);
     }
diff --git a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/common/block/BlockProcessor.java b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/common/block/BlockProcessor.java
index 9d4c1346fd8..3922423be15 100644
--- a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/common/block/BlockProcessor.java
+++ b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/common/block/BlockProcessor.java
@@ -31,6 +31,7 @@
 import tech.pegasys.teku.spec.datastructures.operations.AttesterSlashing;
 import tech.pegasys.teku.spec.datastructures.operations.Deposit;
 import tech.pegasys.teku.spec.datastructures.operations.ProposerSlashing;
+import tech.pegasys.teku.spec.datastructures.operations.SignedBlsToExecutionChange;
 import tech.pegasys.teku.spec.datastructures.operations.SignedVoluntaryExit;
 import tech.pegasys.teku.spec.datastructures.state.beaconstate.BeaconState;
 import tech.pegasys.teku.spec.datastructures.state.beaconstate.MutableBeaconState;
@@ -135,4 +136,7 @@ void validateExecutionPayload(
       throws BlockProcessingException;
 
   boolean isOptimistic();
+
+  void processBlsToExecutionChange(
+      MutableBeaconState state, SignedBlsToExecutionChange blsToExecutionChange);
 }
diff --git a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/versions/altair/block/BlockProcessorAltair.java b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/versions/altair/block/BlockProcessorAltair.java
index 98f3acdfa73..e74a2dcc46c 100644
--- a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/versions/altair/block/BlockProcessorAltair.java
+++ b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/versions/altair/block/BlockProcessorAltair.java
@@ -44,6 +44,7 @@
 import tech.pegasys.teku.spec.datastructures.operations.Attestation;
 import tech.pegasys.teku.spec.datastructures.operations.AttestationData;
 import tech.pegasys.teku.spec.datastructures.operations.Deposit;
+import tech.pegasys.teku.spec.datastructures.operations.SignedBlsToExecutionChange;
 import tech.pegasys.teku.spec.datastructures.state.beaconstate.BeaconState;
 import tech.pegasys.teku.spec.datastructures.state.beaconstate.BeaconStateCache;
 import tech.pegasys.teku.spec.datastructures.state.beaconstate.MutableBeaconState;
@@ -292,6 +293,12 @@ public boolean isOptimistic() {
     return false;
   }
 
+  @Override
+  public void processBlsToExecutionChange(
+      final MutableBeaconState state, final SignedBlsToExecutionChange blsToExecutionChange) {
+    throw new UnsupportedOperationException("No BlsToExecutionChange in Altair.");
+  }
+
   public static boolean eth2FastAggregateVerify(
       final BLSSignatureVerifier signatureVerifier,
       List<BLSPublicKey> pubkeys,
diff --git a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/versions/bellatrix/block/BlockProcessorBellatrix.java b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/versions/bellatrix/block/BlockProcessorBellatrix.java
index 77a56cc8334..57373323029 100644
--- a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/versions/bellatrix/block/BlockProcessorBellatrix.java
+++ b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/versions/bellatrix/block/BlockProcessorBellatrix.java
@@ -23,6 +23,7 @@
 import tech.pegasys.teku.spec.datastructures.blocks.blockbody.versions.bellatrix.BlindedBeaconBlockBodyBellatrix;
 import tech.pegasys.teku.spec.datastructures.execution.ExecutionPayload;
 import tech.pegasys.teku.spec.datastructures.execution.ExecutionPayloadHeader;
+import tech.pegasys.teku.spec.datastructures.operations.SignedBlsToExecutionChange;
 import tech.pegasys.teku.spec.datastructures.state.beaconstate.BeaconState;
 import tech.pegasys.teku.spec.datastructures.state.beaconstate.MutableBeaconState;
 import tech.pegasys.teku.spec.datastructures.state.beaconstate.versions.bellatrix.BeaconStateBellatrix;
@@ -177,4 +178,10 @@ public void validateExecutionPayload(
   public boolean isOptimistic() {
     return true;
   }
+
+  @Override
+  public void processBlsToExecutionChange(
+      final MutableBeaconState state, final SignedBlsToExecutionChange blsToExecutionChange) {
+    throw new UnsupportedOperationException("No BlsToExecutionChange in Bellatrix.");
+  }
 }
diff --git a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/versions/phase0/block/BlockProcessorPhase0.java b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/versions/phase0/block/BlockProcessorPhase0.java
index 7e21fa2f54c..c67c7a0921a 100644
--- a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/versions/phase0/block/BlockProcessorPhase0.java
+++ b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/logic/versions/phase0/block/BlockProcessorPhase0.java
@@ -22,6 +22,7 @@
 import tech.pegasys.teku.spec.datastructures.execution.ExecutionPayloadHeader;
 import tech.pegasys.teku.spec.datastructures.operations.Attestation;
 import tech.pegasys.teku.spec.datastructures.operations.AttestationData;
+import tech.pegasys.teku.spec.datastructures.operations.SignedBlsToExecutionChange;
 import tech.pegasys.teku.spec.datastructures.state.PendingAttestation;
 import tech.pegasys.teku.spec.datastructures.state.beaconstate.BeaconState;
 import tech.pegasys.teku.spec.datastructures.state.beaconstate.MutableBeaconState;
@@ -123,4 +124,10 @@ public void validateExecutionPayload(
   public boolean isOptimistic() {
     return false;
   }
+
+  @Override
+  public void processBlsToExecutionChange(
+      final MutableBeaconState state, final SignedBlsToExecutionChange blsToExecutionChange) {
+    throw new UnsupportedOperationException("No BlsToExecutionChange in phase0");
+  }
 }