diff --git a/airbyte-config/config-persistence/src/main/java/io/airbyte/config/persistence/ConfigRepository.java b/airbyte-config/config-persistence/src/main/java/io/airbyte/config/persistence/ConfigRepository.java
index d251f3a2e29d..bf9d45a3f4c9 100644
--- a/airbyte-config/config-persistence/src/main/java/io/airbyte/config/persistence/ConfigRepository.java
+++ b/airbyte-config/config-persistence/src/main/java/io/airbyte/config/persistence/ConfigRepository.java
@@ -23,6 +23,7 @@
 import com.google.common.hash.Hashing;
 import io.airbyte.commons.json.Jsons;
 import io.airbyte.commons.lang.MoreBooleans;
+import io.airbyte.commons.version.AirbyteProtocolVersion;
 import io.airbyte.config.ActorCatalog;
 import io.airbyte.config.AirbyteConfig;
 import io.airbyte.config.ConfigSchema;
@@ -206,6 +207,8 @@ public List<StandardSourceDefinition> listStandardSourceDefinitions(final boolea
     final List<StandardSourceDefinition> sourceDefinitions = new ArrayList<>();
     for (final StandardSourceDefinition sourceDefinition : persistence.listConfigs(ConfigSchema.STANDARD_SOURCE_DEFINITION,
         StandardSourceDefinition.class)) {
+      sourceDefinition.withProtocolVersion(AirbyteProtocolVersion
+          .getWithDefault(sourceDefinition.getSpec() != null ? sourceDefinition.getSpec().getProtocolVersion() : null).serialize());
       if (!MoreBooleans.isTruthy(sourceDefinition.getTombstone()) || includeTombstone) {
         sourceDefinitions.add(sourceDefinition);
       }
@@ -306,6 +309,8 @@ public List<StandardDestinationDefinition> listStandardDestinationDefinitions(fi
 
     for (final StandardDestinationDefinition destinationDefinition : persistence.listConfigs(ConfigSchema.STANDARD_DESTINATION_DEFINITION,
         StandardDestinationDefinition.class)) {
+      destinationDefinition.withProtocolVersion(AirbyteProtocolVersion
+          .getWithDefault(destinationDefinition.getSpec() != null ? destinationDefinition.getSpec().getProtocolVersion() : null).serialize());
       if (!MoreBooleans.isTruthy(destinationDefinition.getTombstone()) || includeTombstone) {
         destinationDefinitions.add(destinationDefinition);
       }
diff --git a/airbyte-config/config-persistence/src/test/java/io/airbyte/config/persistence/ConfigRepositoryTest.java b/airbyte-config/config-persistence/src/test/java/io/airbyte/config/persistence/ConfigRepositoryTest.java
index f1b8ae80488b..b2fa1ea2ca37 100644
--- a/airbyte-config/config-persistence/src/test/java/io/airbyte/config/persistence/ConfigRepositoryTest.java
+++ b/airbyte-config/config-persistence/src/test/java/io/airbyte/config/persistence/ConfigRepositoryTest.java
@@ -18,6 +18,7 @@
 import static org.mockito.Mockito.when;
 
 import io.airbyte.commons.json.Jsons;
+import io.airbyte.commons.version.AirbyteProtocolVersion;
 import io.airbyte.config.ConfigSchema;
 import io.airbyte.config.DestinationConnection;
 import io.airbyte.config.SourceConnection;
@@ -31,6 +32,7 @@
 import io.airbyte.protocol.models.AirbyteStream;
 import io.airbyte.protocol.models.ConfiguredAirbyteCatalog;
 import io.airbyte.protocol.models.ConfiguredAirbyteStream;
+import io.airbyte.protocol.models.ConnectorSpecification;
 import io.airbyte.protocol.models.StreamDescriptor;
 import io.airbyte.validation.json.JsonValidationException;
 import java.io.IOException;
@@ -225,6 +227,46 @@ void testListStandardSourceDefinitionsHandlesTombstoneSourceDefinitions(final in
     assertEquals(allSourceDefinitions, returnedSourceDefinitionsWithTombstone);
   }
 
+  @Test
+  void testListDestinationDefinitionsWithVersion() throws JsonValidationException, IOException {
+    final List<StandardDestinationDefinition> allSourceDefinitions = List.of(
+        new StandardDestinationDefinition(),
+        new StandardDestinationDefinition().withSpec(new ConnectorSpecification().withProtocolVersion("0.3.1")),
+        // We expect the protocol version to be in the ConnectorSpec, so we'll override regardless.
+        new StandardDestinationDefinition().withProtocolVersion("0.4.0").withSpec(new ConnectorSpecification().withProtocolVersion("0.4.1")),
+        new StandardDestinationDefinition().withProtocolVersion("0.5.0").withSpec(new ConnectorSpecification()));
+
+    when(configPersistence.listConfigs(ConfigSchema.STANDARD_DESTINATION_DEFINITION, StandardDestinationDefinition.class))
+        .thenReturn(allSourceDefinitions);
+
+    final List<StandardDestinationDefinition> destinationDefinitions = configRepository.listStandardDestinationDefinitions(false);
+    final List<String> protocolVersions = destinationDefinitions.stream().map(StandardDestinationDefinition::getProtocolVersion).toList();
+    assertEquals(
+        List.of(AirbyteProtocolVersion.DEFAULT_AIRBYTE_PROTOCOL_VERSION.serialize(), "0.3.1", "0.4.1",
+            AirbyteProtocolVersion.DEFAULT_AIRBYTE_PROTOCOL_VERSION.serialize()),
+        protocolVersions);
+  }
+
+  @Test
+  void testListSourceDefinitionsWithVersion() throws JsonValidationException, IOException {
+    final List<StandardSourceDefinition> allSourceDefinitions = List.of(
+        new StandardSourceDefinition(),
+        new StandardSourceDefinition().withSpec(new ConnectorSpecification().withProtocolVersion("0.6.0")),
+        // We expect the protocol version to be in the ConnectorSpec, so we'll override regardless.
+        new StandardSourceDefinition().withProtocolVersion("0.7.0").withSpec(new ConnectorSpecification().withProtocolVersion("0.7.1")),
+        new StandardSourceDefinition().withProtocolVersion("0.8.0").withSpec(new ConnectorSpecification()));
+
+    when(configPersistence.listConfigs(ConfigSchema.STANDARD_SOURCE_DEFINITION, StandardSourceDefinition.class))
+        .thenReturn(allSourceDefinitions);
+
+    final List<StandardSourceDefinition> sourceDefinitions = configRepository.listStandardSourceDefinitions(false);
+    final List<String> protocolVersions = sourceDefinitions.stream().map(StandardSourceDefinition::getProtocolVersion).toList();
+    assertEquals(
+        List.of(AirbyteProtocolVersion.DEFAULT_AIRBYTE_PROTOCOL_VERSION.serialize(), "0.6.0", "0.7.1",
+            AirbyteProtocolVersion.DEFAULT_AIRBYTE_PROTOCOL_VERSION.serialize()),
+        protocolVersions);
+  }
+
   @Test
   void testDeleteSourceDefinitionAndAssociations() throws JsonValidationException, IOException, ConfigNotFoundException {
     final StandardSourceDefinition sourceDefToDelete = new StandardSourceDefinition().withSourceDefinitionId(UUID.randomUUID());