diff --git a/poetry.lock b/poetry.lock
index 009f3b2..3da1831 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -563,7 +563,7 @@ socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
 
 [[package]]
 name = "waitress"
-version = "1.3.1"
+version = "1.4.3"
 description = "Waitress WSGI server"
 category = "main"
 optional = false
@@ -571,7 +571,7 @@ python-versions = "*"
 
 [package.extras]
 docs = ["Sphinx (>=1.8.1)", "docutils", "pylons-sphinx-themes (>=1.0.9)"]
-testing = ["nose", "coverage"]
+testing = ["nose", "coverage (>=5.0)"]
 
 [[package]]
 name = "werkzeug"
@@ -599,7 +599,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pyt
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.8"
-content-hash = "8338ac3e8931cc73eacc4a42146c7d1d7b17f77f48d785f8669b8a6cac6b0eac"
+content-hash = "f0488f64c74db69f91ca32ff0c13c47e34ab4aaba36ea6e57ef682e95b9fd9fa"
 
 [metadata.files]
 atomicwrites = [
@@ -1104,8 +1104,8 @@ urllib3 = [
     {file = "urllib3-1.25.11.tar.gz", hash = "sha256:8d7eaa5a82a1cac232164990f04874c594c9453ec55eef02eab885aa02fc17a2"},
 ]
 waitress = [
-    {file = "waitress-1.3.1-py2.py3-none-any.whl", hash = "sha256:f103e557725b17ae3c62f9e6005cdd85103f8b68fa86cf7c764ba7adc38ca5a2"},
-    {file = "waitress-1.3.1.tar.gz", hash = "sha256:278e09d6849acc1365404bbf7d790d0423b159802e850c726e8cd0a126a2dac7"},
+    {file = "waitress-1.4.3-py2.py3-none-any.whl", hash = "sha256:77ff3f3226931a1d7d8624c5371de07c8e90c7e5d80c5cc660d72659aaf23f38"},
+    {file = "waitress-1.4.3.tar.gz", hash = "sha256:045b3efc3d97c93362173ab1dfc159b52cfa22b46c3334ffc805dbdbf0e4309e"},
 ]
 werkzeug = [
     {file = "Werkzeug-2.0.1-py3-none-any.whl", hash = "sha256:6c1ec500dcdba0baa27600f6a22f6333d8b662d22027ff9f6202e3367413caa8"},
diff --git a/pyproject.toml b/pyproject.toml
index 738c6e5..efbaa75 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ pandas="1.2.5"
 Flask="1.1.1"
 requests="2.23.0"
 flask_cors="3.0.8"
-waitress="1.3.1"
+waitress="1.4.3"
 boto3="1.12.24"
 s3fs="0.4.0"
 hydrosdk = "3.0.3"