diff --git a/electronicparsers/__init__.py b/electronicparsers/__init__.py
index c70a7884..9c4ac803 100644
--- a/electronicparsers/__init__.py
+++ b/electronicparsers/__init__.py
@@ -35,10 +35,11 @@ class EntryPoint(ParserEntryPoint):
         Order of execution of parser with respect to other parsers.
     """,
     )
-    code_name: Optional[str]
-    code_homepage: Optional[str]
-    code_category: Optional[str]
+    code_name: Optional[str] = None
+    code_homepage: Optional[str] = None
+    code_category: Optional[str] = None
     metadata: Optional[dict] = Field(
+        None,
         description="""
         Metadata passed to the UI. Deprecated. """
     )
diff --git a/pyproject.toml b/pyproject.toml
index 9bfafa1a..ee44ccf6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ dependencies = [
     "nomad-parser-plugins-simulation>=1.0.2",
     "netCDF4==1.6.5",
     "pyyaml>=6.0",
-    "pydantic>=1.10.8,<2.0.0",
+    "pydantic>=1.10.8",
 ]
 
 [project.urls]