diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7e2ff69..714ffcc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Updated how pytest is configured, so it will apply to any invocation
 - Updated test running image to log at warning or lower using text format
 - Updated test running image from 7.9.2 to 7.10.1
+- For the moment, send both `pdfa` and `pdfFormat` for compatibility with 7.9 and 7.10
+  - See [here](https://github.com/stumpylog/gotenberg-client/issues/5#issuecomment-1839081129) for some subtle differences in what these options mean
 
 ### Added
 
diff --git a/src/gotenberg_client/_base.py b/src/gotenberg_client/_base.py
index 42aa930..bf223bf 100644
--- a/src/gotenberg_client/_base.py
+++ b/src/gotenberg_client/_base.py
@@ -13,7 +13,7 @@
 from httpx import Response
 from httpx._types import RequestFiles
 
-from gotenberg_client._types_compat import Self
+from gotenberg_client._typing_compat import Self
 from gotenberg_client._utils import guess_mime_type
 from gotenberg_client.options import PdfAFormat
 
@@ -114,6 +114,10 @@ def pdf_format(self, pdf_format: PdfAFormat) -> Self:
         self._form_data.update(pdf_format.to_form())
         return self
 
+    def universal_access_pdf(self, *, pdf_ua: bool) -> Self:
+        self._form_data.update({"pdfua": str(pdf_ua).lower()})
+        return self
+
     def trace(self, trace_id: str) -> Self:
         self._headers["Gotenberg-Trace"] = trace_id
         return self
diff --git a/src/gotenberg_client/_client.py b/src/gotenberg_client/_client.py
index 9068dad..9677d20 100644
--- a/src/gotenberg_client/_client.py
+++ b/src/gotenberg_client/_client.py
@@ -14,7 +14,7 @@
 from gotenberg_client._convert.pdfa import PdfAApi
 from gotenberg_client._health import HealthCheckApi
 from gotenberg_client._merge import MergeApi
-from gotenberg_client._types_compat import Self
+from gotenberg_client._typing_compat import Self
 
 
 class GotenbergClient:
diff --git a/src/gotenberg_client/_convert/chromium.py b/src/gotenberg_client/_convert/chromium.py
index dfbc461..88850f0 100644
--- a/src/gotenberg_client/_convert/chromium.py
+++ b/src/gotenberg_client/_convert/chromium.py
@@ -11,7 +11,7 @@
 
 from gotenberg_client._base import BaseApi
 from gotenberg_client._convert.common import ConvertBaseRoute
-from gotenberg_client._types_compat import Self
+from gotenberg_client._typing_compat import Self
 from gotenberg_client.options import EmulatedMediaType
 from gotenberg_client.options import Margin
 from gotenberg_client.options import PageSize
diff --git a/src/gotenberg_client/_convert/common.py b/src/gotenberg_client/_convert/common.py
index afb88fb..dac2fba 100644
--- a/src/gotenberg_client/_convert/common.py
+++ b/src/gotenberg_client/_convert/common.py
@@ -4,7 +4,7 @@
 import logging
 
 from gotenberg_client._base import BaseRoute
-from gotenberg_client._types_compat import Self
+from gotenberg_client._typing_compat import Self
 from gotenberg_client.options import PageOrientation
 
 logger = logging.getLogger()
diff --git a/src/gotenberg_client/_convert/libre_office.py b/src/gotenberg_client/_convert/libre_office.py
index 65654f8..29c508c 100644
--- a/src/gotenberg_client/_convert/libre_office.py
+++ b/src/gotenberg_client/_convert/libre_office.py
@@ -6,7 +6,7 @@
 
 from gotenberg_client._base import BaseApi
 from gotenberg_client._convert.common import ConvertBaseRoute
-from gotenberg_client._types_compat import Self
+from gotenberg_client._typing_compat import Self
 
 
 class LibreOfficeConvertRoute(ConvertBaseRoute):
diff --git a/src/gotenberg_client/_convert/pdfa.py b/src/gotenberg_client/_convert/pdfa.py
index d0ba3e2..cb95156 100644
--- a/src/gotenberg_client/_convert/pdfa.py
+++ b/src/gotenberg_client/_convert/pdfa.py
@@ -6,7 +6,7 @@
 
 from gotenberg_client._base import BaseApi
 from gotenberg_client._convert.common import ConvertBaseRoute
-from gotenberg_client._types_compat import Self
+from gotenberg_client._typing_compat import Self
 
 
 class PdfAConvertRoute(ConvertBaseRoute):
diff --git a/src/gotenberg_client/_types_compat.py b/src/gotenberg_client/_typing_compat.py
similarity index 100%
rename from src/gotenberg_client/_types_compat.py
rename to src/gotenberg_client/_typing_compat.py
diff --git a/src/gotenberg_client/options.py b/src/gotenberg_client/options.py
index 4751de7..d2ef4ae 100644
--- a/src/gotenberg_client/options.py
+++ b/src/gotenberg_client/options.py
@@ -18,12 +18,15 @@ class PdfAFormat(enum.Enum):
     A3b = enum.auto()
 
     def to_form(self) -> Dict[str, str]:
+        format_name = None
         if self.value == PdfAFormat.A1a.value:
-            return {"pdfFormat": "PDF/A-1a"}
+            format_name = "PDF/A-1a"
         elif self.value == PdfAFormat.A2b.value:
-            return {"pdfFormat": "PDF/A-2b"}
+            format_name = "PDF/A-2b"
         elif self.value == PdfAFormat.A3b.value:
-            return {"pdfFormat": "PDF/A-3b"}
+            format_name = "PDF/A-3b"
+        if format_name is not None:
+            return {"pdfa": format_name, "pdfFormat": format_name}
         else:  # pragma: no cover
             raise NotImplementedError(self.value)