diff --git a/infisical/models/api.py b/infisical/models/api.py
index 31bd049..4afe435 100644
--- a/infisical/models/api.py
+++ b/infisical/models/api.py
@@ -61,7 +61,7 @@ class SecretImport(BaseModel):
 
 class SecretsResponse(BaseModel):
     secrets: List[Secret]
-    imports: Optional[List[SecretImport]]
+    imports: Optional[List[SecretImport]] = None
 
 
 class SecretResponse(BaseModel):
diff --git a/infisical/models/models.py b/infisical/models/models.py
index b36c865..842e8a1 100644
--- a/infisical/models/models.py
+++ b/infisical/models/models.py
@@ -9,7 +9,7 @@ class Secret(BaseModel):
     id: str = Field(..., alias="_id")
     version: int
     workspace: str
-    user: Optional[str]
+    user: Optional[str] = None
     type: Literal["shared", "personal"]
     environment: str
     secret_key_ciphertext: str = Field(..., alias="secretKeyCiphertext")
@@ -24,11 +24,11 @@ class Secret(BaseModel):
 
 class SecretBundle(BaseModel):
     secret_name: str
-    secret_value: Optional[str]
-    version: Optional[int]
-    workspace: Optional[str]
-    environment: Optional[str]
-    type: Optional[Literal["shared", "personal"]]
+    secret_value: Optional[str] = None
+    version: Optional[int] = None
+    workspace: Optional[str] = None
+    environment: Optional[str] = None
+    type: Optional[Literal["shared", "personal"]] = None
     created_at: Optional[datetime] = Field(None, alias="createdAt")
     updated_at: Optional[datetime] = Field(None, alias="updatedAt")
     is_fallback: bool
diff --git a/infisical/models/secret_service.py b/infisical/models/secret_service.py
index a9ee04e..2be80e6 100644
--- a/infisical/models/secret_service.py
+++ b/infisical/models/secret_service.py
@@ -18,5 +18,5 @@ class ServiceTokenV3Credentials(BaseModel):
 class ClientConfig(BaseModel):
     auth_mode: Literal["service_token", "service_token_v3"]
     credentials: Union[ServiceTokenCredentials, ServiceTokenV3Credentials]
-    workspace_config: Optional[WorkspaceConfig]
+    workspace_config: Optional[WorkspaceConfig] = None
     cache_ttl: int
diff --git a/log.txt b/log.txt
new file mode 100644
index 0000000..e69de29
diff --git a/pyproject.toml b/pyproject.toml
index 1184d36..10ef104 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ classifiers = [
 ]
 dependencies = [
   "requests ==2.31.0",
-  "pydantic >=1.6.2,!=1.7,!=1.7.1,!=1.7.2,!=1.7.3,!=1.8,!=1.8.1,<2.0.0",
+  "pydantic >=2.0.0",
   "pycryptodomex >=3.17,<4.0.0",
   "pynacl >=1.5.0,<2.0.0"
 ]