diff --git a/spiffworkflow-backend/.github/workflows/constraints.txt b/spiffworkflow-backend/.github/workflows/constraints.txt
index 55013fd6..1e14a6b5 100644
--- a/spiffworkflow-backend/.github/workflows/constraints.txt
+++ b/spiffworkflow-backend/.github/workflows/constraints.txt
@@ -1,5 +1,5 @@
-pip==22.2.2
-nox==2022.11.21
-nox-poetry==1.0.2
-poetry==1.3.2
-virtualenv==20.16.5
+pip==23.2.1
+nox==2023.4.22
+nox-poetry==1.0.3
+poetry==1.5.1
+virtualenv==20.24.2
diff --git a/spiffworkflow-backend/noxfile.py b/spiffworkflow-backend/noxfile.py
index 95fb2e3c..839908ce 100644
--- a/spiffworkflow-backend/noxfile.py
+++ b/spiffworkflow-backend/noxfile.py
@@ -140,7 +140,7 @@ def mypy(session: Session) -> None:
     """Type-check using mypy."""
     args = session.posargs or ["src", "tests"]
     session.install(".")
-    session.install("mypy")
+    session.install("mypy", "pytest")
     session.run("mypy", *args)
     if not session.posargs:
         session.run("mypy", f"--python-executable={sys.executable}", "noxfile.py")
diff --git a/spiffworkflow-backend/poetry.lock b/spiffworkflow-backend/poetry.lock
index 73844a76..2f079ef4 100644
--- a/spiffworkflow-backend/poetry.lock
+++ b/spiffworkflow-backend/poetry.lock
@@ -1658,17 +1658,16 @@ files = [
 
 [[package]]
 name = "pytest"
-version = "7.2.2"
+version = "7.4.0"
 description = "pytest: simple powerful testing with Python"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "pytest-7.2.2-py3-none-any.whl", hash = "sha256:130328f552dcfac0b1cec75c12e3f005619dc5f874f0a06e8ff7263f0ee6225e"},
-    {file = "pytest-7.2.2.tar.gz", hash = "sha256:c99ab0c73aceb050f68929bc93af19ab6db0558791c6a0715723abe9d0ade9d4"},
+    {file = "pytest-7.4.0-py3-none-any.whl", hash = "sha256:78bf16451a2eb8c7a2ea98e32dc119fd2aa758f1d5d66dbf0a59d69a3969df32"},
+    {file = "pytest-7.4.0.tar.gz", hash = "sha256:b4bf8c45bd59934ed84001ad51e11b4ee40d40a1229d2c79f9c592b0a3f6bd8a"},
 ]
 
 [package.dependencies]
-attrs = ">=19.2.0"
 colorama = {version = "*", markers = "sys_platform == \"win32\""}
 exceptiongroup = {version = ">=1.0.0rc8", markers = "python_version < \"3.11\""}
 iniconfig = "*"
@@ -1677,7 +1676,7 @@ pluggy = ">=0.12,<2.0"
 tomli = {version = ">=1.0.0", markers = "python_version < \"3.11\""}
 
 [package.extras]
-testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.7.2)", "requests", "xmlschema"]
+testing = ["argcomplete", "attrs (>=19.2.0)", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.7.2)", "requests", "setuptools", "xmlschema"]
 
 [[package]]
 name = "pytest-flask"