diff --git a/src/test/java/io/debezium/connector/spanner/SpannerConnectorConfigTest.java b/src/test/java/io/debezium/connector/spanner/SpannerConnectorConfigTest.java
index c9ab2f9..9891994 100644
--- a/src/test/java/io/debezium/connector/spanner/SpannerConnectorConfigTest.java
+++ b/src/test/java/io/debezium/connector/spanner/SpannerConnectorConfigTest.java
@@ -57,7 +57,7 @@ void testGetSourceInfoStructMaker() {
                 .schema();
         assertTrue(schemaResult instanceof ConnectSchema);
         assertNull(schemaResult.defaultValue());
-        assertNull(schemaResult.version());
+        assertEquals(1, schemaResult.version());
         assertEquals(Schema.Type.STRUCT, schemaResult.type());
         assertNull(schemaResult.parameters());
         assertEquals("com.google.spanner.connector.Source", schemaResult.name());
diff --git a/src/test/java/io/debezium/connector/spanner/SpannerSourceInfoStructMakerTest.java b/src/test/java/io/debezium/connector/spanner/SpannerSourceInfoStructMakerTest.java
index 0c02500..3e02ce5 100644
--- a/src/test/java/io/debezium/connector/spanner/SpannerSourceInfoStructMakerTest.java
+++ b/src/test/java/io/debezium/connector/spanner/SpannerSourceInfoStructMakerTest.java
@@ -46,7 +46,7 @@ void testConstructor() {
 
         assertTrue(schemaResult instanceof ConnectSchema);
         assertNull(schemaResult.defaultValue());
-        assertNull(schemaResult.version());
+        assertEquals(1, schemaResult.version());
         assertEquals(Schema.Type.STRUCT, schemaResult.type());
         assertNull(schemaResult.parameters());
         assertEquals("com.google.spanner.connector.Source", schemaResult.name());