diff --git a/source-oracle-flashback/config.yaml b/source-oracle-flashback/config.yaml
index d5558bf23..70d28464a 100644
--- a/source-oracle-flashback/config.yaml
+++ b/source-oracle-flashback/config.yaml
@@ -22,8 +22,8 @@ sops:
     azure_kv: []
     hc_vault: []
     age: []
-    lastmodified: "2024-08-25T06:31:24Z"
-    mac: ENC[AES256_GCM,data:b1xGx2t6eZ+xRb7hljIhZKQ8aKQgzdY1DUZjwioBMHO0CF6+7GobXeNgDgJQ/i/nPthU7oDpyUJFYJOGhWzNODP5CgEoMJdlGn8/+qFzprzODxXflkH4k4AiVvrrEFphvMIRxt98Z+vHmhhMY40dLch6kfXClxeiBdpF3Jsq1D0=,iv:pTDoakL/hGXDI/k+KcLrVZK070nu51KoDtiB6XBj924=,tag:+IOi6V5b4jqNzcyikzNQUw==,type:str]
+    lastmodified: "2024-10-16T11:20:22Z"
+    mac: ENC[AES256_GCM,data:SGN6RYWnIxGbG+SGVYctEbV1er6Rg271Rnd3nLdOSpIffR5AN2CY7IdCGrb6qAkTwIaG0ks2w3pDjgxtnjYLG3KvCEu2ee0yLJc0nZ2ShVfLyunrLpYXaGzORUYj4BMriDrs1fUIuovSDvFqTI1ApSnf7YJuqvXfjj7L0JdJ9Vw=,iv:PVNe9PfQkQOSJ8kAGLtinb/LPafb2ihYxbivZW+x9R4=,tag:DKgrACz46b5DJTLx4L9H/w==,type:str]
     pgp: []
     encrypted_suffix: _sops
     version: 3.8.1
diff --git a/source-oracle-flashback/source_oracle_flashback/models.py b/source-oracle-flashback/source_oracle_flashback/models.py
index f725927d6..9c95967fb 100644
--- a/source-oracle-flashback/source_oracle_flashback/models.py
+++ b/source-oracle-flashback/source_oracle_flashback/models.py
@@ -154,10 +154,10 @@ class Source(BaseModel):
                 description="Database System Change Number, available for incremental events"
             )
 
-        source: Source | None = Field(alias="source")
+        source: Source = Field(alias="source")
 
     meta_: Meta = Field(
-        default=Meta(op="u", source=None), alias="_meta", description="Document metadata"
+        alias="_meta", description="Document metadata"
     )
 
     pass