diff --git a/poetry.lock b/poetry.lock
index 56ffb939e..6d596de3b 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -934,42 +934,42 @@ tzdata = "*"
 
 [[package]]
 name = "fhir-core"
-version = "1.0.1"
+version = "1.1.4"
 description = "FHIR Core library"
 optional = false
 python-versions = ">=3.8"
 groups = ["main"]
 files = [
-    {file = "fhir_core-1.0.1-py2.py3-none-any.whl", hash = "sha256:199af6d68dc85cd09c947ec6ecb02b109a3d116ef016d1b4903ec22c36bbe03a"},
-    {file = "fhir_core-1.0.1.tar.gz", hash = "sha256:1f1b04027053e5a844f69d00bda6acfced555697778fa1a0cf58d38fd18ef39b"},
+    {file = "fhir_core-1.1.4-py2.py3-none-any.whl", hash = "sha256:66d81639f9a45e646cf21cae492d68d89550a22409bf68a9b292b789e0d0061d"},
+    {file = "fhir_core-1.1.4.tar.gz", hash = "sha256:d6549665c32f6b710da19d1309851d5d5f8902af899925623d6f4441eb1f2176"},
 ]
 
 [package.dependencies]
 pydantic = ">=2.7.4,<3.0"
 
 [package.extras]
-dev = ["Jinja2 (==2.11.1)", "MarkupSafe (==1.1.1)", "PyYAML (>=6.0.1)", "black", "certifi", "colorlog (==2.10.0)", "coverage", "fhirspec", "flake8 (==6.0)", "flake8-bugbear (>=22.12.6)", "flake8-isort (>=6.0.0)", "importlib-metadata (>=5.2.0)", "isort (>=5.11.4)", "lxml", "mypy", "pytest (>5.4.0) ; python_version >= \"3.6\"", "pytest-cov (>=2.10.0) ; python_version >= \"3.6\"", "requests (==2.23.0) ; python_version < \"3.10\"", "setuptools (==65.6.3) ; python_version >= \"3.7\"", "types-PyYAML", "types-requests", "types-simplejson", "zest-releaser[recommended]"]
-test = ["PyYAML (>=6.0.1)", "black", "coverage", "flake8 (==6.0)", "flake8-bugbear (>=22.12.6)", "flake8-isort (>=6.0.0)", "importlib-metadata (>=5.2.0)", "isort (>=5.11.4)", "lxml", "mypy", "pytest (>5.4.0) ; python_version >= \"3.6\"", "pytest-cov (>=2.10.0) ; python_version >= \"3.6\"", "pytest-runner", "requests (==2.23.0) ; python_version < \"3.10\"", "setuptools (==65.6.3) ; python_version >= \"3.7\"", "types-PyYAML", "types-requests", "types-simplejson"]
+dev = ["Jinja2 (==2.11.1)", "MarkupSafe (==1.1.1)", "PyYAML (>=6.0.1)", "black (>=23.0,<24.0) ; python_version >= \"3.7\"", "certifi", "colorlog (==2.10.0)", "coverage", "fhirspec", "flake8 (==6.0)", "flake8-bugbear (>=22.12.6)", "flake8-isort (>=6.0.0)", "importlib-metadata (>=5.2.0)", "isort (>=5.11.4)", "lxml", "mypy", "pytest (>5.4.0) ; python_version >= \"3.6\"", "pytest-cov (>=2.10.0) ; python_version >= \"3.6\"", "requests (==2.23.0) ; python_version < \"3.10\"", "setuptools (==65.6.3) ; python_version >= \"3.7\"", "types-PyYAML", "types-requests", "types-simplejson", "zest-releaser[recommended]"]
+test = ["PyYAML (>=6.0.1)", "black (>=23.0,<24.0) ; python_version >= \"3.7\"", "coverage", "flake8 (==6.0)", "flake8-bugbear (>=22.12.6)", "flake8-isort (>=6.0.0)", "importlib-metadata (>=5.2.0)", "isort (>=5.11.4)", "lxml", "mypy", "pytest (>5.4.0) ; python_version >= \"3.6\"", "pytest-cov (>=2.10.0) ; python_version >= \"3.6\"", "pytest-runner", "requests (==2.23.0) ; python_version < \"3.10\"", "setuptools (==65.6.3) ; python_version >= \"3.7\"", "types-PyYAML", "types-requests", "types-simplejson"]
 
 [[package]]
 name = "fhir-resources"
-version = "8.0.0"
+version = "8.1.0"
 description = "FHIR Resources as Model Class"
 optional = false
 python-versions = ">=3.8"
 groups = ["main"]
 files = [
-    {file = "fhir.resources-8.0.0-py2.py3-none-any.whl", hash = "sha256:9c46d6d79c6d6629c3bea6f244bcc6e8e0e4d15757a675f19d9d1c05c9ab2199"},
-    {file = "fhir.resources-8.0.0.tar.gz", hash = "sha256:84dac3af31eaf90d5b0386cac21d26c50e6fb1526d68b88a2c42d112978e9cf9"},
+    {file = "fhir_resources-8.1.0-py2.py3-none-any.whl", hash = "sha256:4370a5b6b35f278705328368bf79b3a17db91025fd4ec896fb963edd44ecc5de"},
+    {file = "fhir_resources-8.1.0.tar.gz", hash = "sha256:8d64a717f37ea50bde97c1b8ff3fd969a6074df99c167183a273abe4da8bbfa5"},
 ]
 
 [package.dependencies]
-fhir-core = ">=1.0.0"
+fhir-core = ">=1.1.3"
 
 [package.extras]
 all = ["PyYAML (>=5.4.1)", "lxml"]
-dev = ["Jinja2 (==2.11.1)", "MarkupSafe (==1.1.1)", "black", "certifi", "colorlog (==2.10.0)", "coverage", "fhirspec", "flake8 (==6.0)", "flake8-bugbear (>=22.12.6)", "flake8-isort (>=6.0.0)", "importlib-metadata (>=5.2.0)", "isort (>=5.11.4)", "mypy", "pytest (>5.4.0) ; python_version >= \"3.6\"", "pytest-cov (>=2.10.0) ; python_version >= \"3.6\"", "requests (==2.23.0) ; python_version < \"3.10\"", "setuptools (==65.6.3) ; python_version >= \"3.7\"", "typed-ast (>=1.5.4)", "types-PyYAML", "types-requests", "types-simplejson", "zest-releaser[recommended]"]
-test = ["PyYAML (>=5.4.1)", "black", "coverage", "flake8 (==6.0)", "flake8-bugbear (>=22.12.6)", "flake8-isort (>=6.0.0)", "importlib-metadata (>=5.2.0)", "isort (>=5.11.4)", "lxml", "mypy", "pytest (>5.4.0) ; python_version >= \"3.6\"", "pytest-cov (>=2.10.0) ; python_version >= \"3.6\"", "pytest-runner", "requests (==2.23.0) ; python_version < \"3.10\"", "setuptools (==65.6.3) ; python_version >= \"3.7\"", "typed-ast (>=1.5.4)", "types-PyYAML", "types-requests", "types-simplejson"]
+dev = ["Jinja2 (==3.1.6)", "MarkupSafe (==2.1.5)", "black (>=23.0,<24.0) ; python_version >= \"3.7\"", "certifi", "colorlog (==2.10.0)", "coverage", "fhirspec (>=0.6.0)", "flake8 (==6.0)", "flake8-bugbear (>=22.12.6)", "flake8-isort (>=6.0.0)", "importlib-metadata (>=5.2.0)", "isort (>=5.11.4)", "mypy", "pytest (>5.4.0) ; python_version >= \"3.6\"", "pytest-cov (>=2.10.0) ; python_version >= \"3.6\"", "requests (==2.23.0) ; python_version < \"3.10\"", "setuptools (==65.6.3) ; python_version >= \"3.7\"", "typed-ast (>=1.5.4)", "types-PyYAML", "types-requests", "types-simplejson", "zest-releaser[recommended]"]
+test = ["PyYAML (>=5.4.1)", "black (>=23.0,<24.0) ; python_version >= \"3.7\"", "coverage", "flake8 (==6.0)", "flake8-bugbear (>=22.12.6)", "flake8-isort (>=6.0.0)", "importlib-metadata (>=5.2.0)", "isort (>=5.11.4)", "lxml", "mypy", "pytest (>5.4.0) ; python_version >= \"3.6\"", "pytest-cov (>=2.10.0) ; python_version >= \"3.6\"", "pytest-runner", "requests (==2.23.0) ; python_version < \"3.10\"", "setuptools (==65.6.3) ; python_version >= \"3.7\"", "typed-ast (>=1.5.4)", "types-PyYAML", "types-requests", "types-simplejson"]
 xml = ["lxml"]
 yaml = ["PyYAML (>=5.4.1)"]
 
@@ -3598,4 +3598,4 @@ propcache = ">=0.2.1"
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.13"
-content-hash = "aea6ebb84ba712c9d322bfec1fc9d0a009ea98b0faf6befd3c433b7b789df7ef"
+content-hash = "91b4e354ddbbcd62396d4d75bddd48e6955c2568bfebb51b1ec46b96abc3873a"
diff --git a/pyproject.toml b/pyproject.toml
index 0aa92ae22..a8d700e71 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ eval-type-backport = "^0.2.2"
 mangum = "^0.19.0"
 wireup = "^2.0.0"
 python-json-logger = "^3.3.0"
-fhir-resources = "^8.0.0"
+fhir-resources = "^8.1.0"
 python-dateutil = "^2.9.0"
 pyhamcrest = "^2.1.0"
 aws-xray-sdk = "2.14.0"