diff --git a/requirements.in b/requirements.in
index 2576304..3f3223f 100644
--- a/requirements.in
+++ b/requirements.in
@@ -1,4 +1,4 @@
-fhir.resources==7.1.0
+fhir.resources==8.0.0
 fastapi==0.115.2
 prometheus-fastapi-instrumentator==7.0.0
 structlog==24.4.0
diff --git a/tests/e2e/requirements.txt b/tests/e2e/requirements.txt
index 14658b9..899edc9 100644
--- a/tests/e2e/requirements.txt
+++ b/tests/e2e/requirements.txt
@@ -508,6 +508,6 @@ urllib3==2.2.3 \
     # via
     #   requests
     #   types-requests
-fhir.resources==7.1.0 \
-    --hash=sha256:4d37c3aadb3afbabad28ca7701b87323680468a13f6a6426bb6c282d4efd5c62 \
-    --hash=sha256:fae2d43c03dacf85a9f9fbce3b62148f3166fe297471cd43b74d91abbf69f818
+fhir.resources==8.0.0 \
+    --hash=sha256:84dac3af31eaf90d5b0386cac21d26c50e6fb1526d68b88a2c42d112978e9cf9 \
+    --hash=sha256:9c46d6d79c6d6629c3bea6f244bcc6e8e0e4d15757a675f19d9d1c05c9ab2199