diff --git a/emannotationschemas/schemas/base.py b/emannotationschemas/schemas/base.py
index 6487ebb..ee2db32 100644
--- a/emannotationschemas/schemas/base.py
+++ b/emannotationschemas/schemas/base.py
@@ -3,7 +3,7 @@
 import marshmallow as mm
 import numpy as np
 from geoalchemy2.shape import to_shape
-from geoalchemy2.types import WKBElement, WKTElement
+from geoalchemy2.elements import WKBElement, WKTElement
 from marshmallow import INCLUDE
 from sqlalchemy.sql.sqltypes import Integer
 
diff --git a/requirements.in b/requirements.in
new file mode 100644
index 0000000..6483551
--- /dev/null
+++ b/requirements.in
@@ -0,0 +1,9 @@
+marshmallow
+marshmallow-jsonschema
+numpy<2
+jsonschema
+SQLAlchemy
+shapely
+geoalchemy2
+flask-cors
+pandas
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index edb4c09..de310ba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,73 @@
-marshmallow==3.5.1
-marshmallow-jsonschema==0.10.0
-numpy>=1.18.4
-jsonschema<4.0
-SQLAlchemy<1.4
-shapely==2.0.3
-geoalchemy2>=0.11.1, <0.12.0
-flask-cors==3.0.10
\ No newline at end of file
+# This file was autogenerated by uv via the following command:
+#    uv pip compile requirements.in
+attrs==24.2.0
+    # via
+    #   jsonschema
+    #   referencing
+blinker==1.8.2
+    # via flask
+click==8.1.7
+    # via flask
+flask==3.0.3
+    # via flask-cors
+flask-cors==5.0.0
+    # via -r requirements.in
+geoalchemy2==0.15.2
+    # via -r requirements.in
+greenlet==3.1.0
+    # via sqlalchemy
+itsdangerous==2.2.0
+    # via flask
+jinja2==3.1.4
+    # via flask
+jsonschema==4.23.0
+    # via -r requirements.in
+jsonschema-specifications==2023.12.1
+    # via jsonschema
+markupsafe==2.1.5
+    # via
+    #   jinja2
+    #   werkzeug
+marshmallow==3.22.0
+    # via
+    #   -r requirements.in
+    #   marshmallow-jsonschema
+marshmallow-jsonschema==0.13.0
+    # via -r requirements.in
+numpy==1.26.4
+    # via
+    #   -r requirements.in
+    #   pandas
+    #   shapely
+packaging==24.1
+    # via
+    #   geoalchemy2
+    #   marshmallow
+pandas==2.2.2
+    # via -r requirements.in
+python-dateutil==2.9.0.post0
+    # via pandas
+pytz==2024.2
+    # via pandas
+referencing==0.35.1
+    # via
+    #   jsonschema
+    #   jsonschema-specifications
+rpds-py==0.20.0
+    # via
+    #   jsonschema
+    #   referencing
+shapely==2.0.6
+    # via -r requirements.in
+six==1.16.0
+    # via python-dateutil
+sqlalchemy==2.0.34
+    # via
+    #   -r requirements.in
+    #   geoalchemy2
+typing-extensions==4.12.2
+    # via sqlalchemy
+tzdata==2024.1
+    # via pandas
+werkzeug==3.0.4
+    # via flask