diff --git a/airbyte-integrations/connectors/source-postgres/metadata.yaml b/airbyte-integrations/connectors/source-postgres/metadata.yaml
index 7eba90021494..968d32d5e9ce 100644
--- a/airbyte-integrations/connectors/source-postgres/metadata.yaml
+++ b/airbyte-integrations/connectors/source-postgres/metadata.yaml
@@ -9,7 +9,7 @@ data:
   connectorSubtype: database
   connectorType: source
   definitionId: decd338e-5647-4c0b-adf4-da0e75f5a750
-  dockerImageTag: 3.4.19
+  dockerImageTag: 3.4.20
   dockerRepository: airbyte/source-postgres
   documentationUrl: https://docs.airbyte.com/integrations/sources/postgres
   githubIssueLabel: source-postgres
diff --git a/airbyte-integrations/connectors/source-postgres/src/main/java/io/airbyte/integrations/source/postgres/xmin/XminCtidUtils.java b/airbyte-integrations/connectors/source-postgres/src/main/java/io/airbyte/integrations/source/postgres/xmin/XminCtidUtils.java
index 39fcd4e4085a..9ee5fa7cc411 100644
--- a/airbyte-integrations/connectors/source-postgres/src/main/java/io/airbyte/integrations/source/postgres/xmin/XminCtidUtils.java
+++ b/airbyte-integrations/connectors/source-postgres/src/main/java/io/airbyte/integrations/source/postgres/xmin/XminCtidUtils.java
@@ -55,29 +55,26 @@ public static StreamsCategorised<XminStreams> categoriseStreams(final StateManag
       rawStateMessages.forEach(stateMessage -> {
         final JsonNode streamState = stateMessage.getStream().getStreamState();
         final StreamDescriptor streamDescriptor = stateMessage.getStream().getStreamDescriptor();
-        if (streamState == null || streamDescriptor == null) {
+        if (streamState == null || streamDescriptor == null || !streamState.has(STATE_TYPE_KEY)) {
           return;
         }
 
-        if (streamState.has(STATE_TYPE_KEY)) {
-          if (streamState.get(STATE_TYPE_KEY).asText().equalsIgnoreCase("ctid")) {
-            statesFromCtidSync.add(stateMessage);
-            streamsStillInCtidSync.add(new AirbyteStreamNameNamespacePair(streamDescriptor.getName(), streamDescriptor.getNamespace()));
-          } else if (streamState.get(STATE_TYPE_KEY).asText().equalsIgnoreCase("xmin")) {
-            if (shouldPerformFullSync(currentXminStatus, streamState)) {
-              final AirbyteStreamNameNamespacePair pair = new AirbyteStreamNameNamespacePair(streamDescriptor.getName(),
-                  streamDescriptor.getNamespace());
-              LOGGER.info("Detected multiple wraparounds. Will perform a full sync for {}", pair);
-              streamsStillInCtidSync.add(pair);
-            } else {
-              statesFromXminSync.add(stateMessage);
-            }
+        if (streamState.get(STATE_TYPE_KEY).asText().equalsIgnoreCase("ctid")) {
+          statesFromCtidSync.add(stateMessage);
+          streamsStillInCtidSync.add(new AirbyteStreamNameNamespacePair(streamDescriptor.getName(), streamDescriptor.getNamespace()));
+        } else if (streamState.get(STATE_TYPE_KEY).asText().equalsIgnoreCase("xmin")) {
+          if (shouldPerformFullSync(currentXminStatus, streamState)) {
+            final AirbyteStreamNameNamespacePair pair = new AirbyteStreamNameNamespacePair(streamDescriptor.getName(),
+                streamDescriptor.getNamespace());
+            LOGGER.info("Detected multiple wraparounds. Will perform a full sync for {}", pair);
+            streamsStillInCtidSync.add(pair);
           } else {
-            throw new ConfigErrorException("You've changed replication modes - please reset the streams in this connector");
+            statesFromXminSync.add(stateMessage);
           }
         } else {
-          throw new RuntimeException("State type not present");
+          throw new ConfigErrorException("You've changed replication modes - please reset the streams in this connector");
         }
+
         alreadySeenStreams.add(new AirbyteStreamNameNamespacePair(streamDescriptor.getName(), streamDescriptor.getNamespace()));
       });
     }
diff --git a/docs/integrations/sources/postgres.md b/docs/integrations/sources/postgres.md
index 5776405b3bd5..d44579bf57fa 100644
--- a/docs/integrations/sources/postgres.md
+++ b/docs/integrations/sources/postgres.md
@@ -310,9 +310,10 @@ According to Postgres [documentation](https://www.postgresql.org/docs/14/datatyp
   <summary>Expand to review</summary>
 
 | Version | Date       | Pull Request                                             | Subject                                                                                                                                                                    |
-|---------| ---------- | -------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| 3.4.19  | 2024-06-23 | [40223](https://github.com/airbytehq/airbyte/pull/40223) | Revert the changes introduced in version 3.4.15.                                                                                                                                           |
-| 3.4.18  | 2024-06-14 | [39349](https://github.com/airbytehq/airbyte/pull/39349)   | Full refresh stream sending internal count metadata.                                                                                            |
+| ------- | ---------- | -------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| 3.4.20  | 2024-06-23 | [40559](https://github.com/airbytehq/airbyte/pull/40559) | Remove strict check for stream states of unknown types                                                                                                                     |
+| 3.4.19  | 2024-06-23 | [40223](https://github.com/airbytehq/airbyte/pull/40223) | Revert the changes introduced in version 3.4.15.                                                                                                                           |
+| 3.4.18  | 2024-06-14 | [39349](https://github.com/airbytehq/airbyte/pull/39349) | Full refresh stream sending internal count metadata.                                                                                                                       |
 | 3.4.17  | 2024-06-13 | [39460](https://github.com/airbytehq/airbyte/pull/39460) | Bump postgres JDBC driver version                                                                                                                                          |
 | 3.4.16  | 2024-05-29 | [39474](https://github.com/airbytehq/airbyte/pull/39474) | Adopt latest CDK.                                                                                                                                                          |
 | 3.4.15  | 2024-05-29 | [38773](https://github.com/airbytehq/airbyte/pull/38773) | Connect with adaptiveFetch=true.                                                                                                                                           |