diff --git a/pyproject.toml b/pyproject.toml
index 53ecf394..e7a905da 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,7 +64,7 @@ dependencies = [
     "geocoder==1.38.1",
     "jsonpickle==4.1.1",
     "mysql-connector-python==26.7.0",
-    "neo4j==5.28.2",
+    "neo4j==6.3.1",
     "nipyapi==1.7.0",
     "nltk==3.10.3",
     "numpy==2.4.6",
diff --git a/uv.lock b/uv.lock
index 436bc176..fc1d7dff 100644
--- a/uv.lock
+++ b/uv.lock
@@ -660,7 +660,7 @@ requires-dist = [
     { name = "geocoder", specifier = "==1.38.1" },
     { name = "jsonpickle", specifier = "==4.1.1" },
     { name = "mysql-connector-python", specifier = "==26.7.0" },
-    { name = "neo4j", specifier = "==5.28.2" },
+    { name = "neo4j", specifier = "==6.3.1" },
     { name = "nipyapi", specifier = "==1.7.0" },
     { name = "nltk", specifier = "==3.10.3" },
     { name = "numpy", specifier = "==2.4.6" },
@@ -1502,14 +1502,14 @@ wheels = [
 
 [[package]]
 name = "neo4j"
-version = "5.28.2"
+version = "6.3.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "pytz" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/50/69/4862fabc082f2447131aada5c91736155349d77ebf443af7f59553b7b789/neo4j-5.28.2.tar.gz", hash = "sha256:7d38e27e4f987a45cc9052500c6ee27325cb23dae6509037fe31dd7ddaed70c7", size = 231874, upload-time = "2025-07-30T06:04:34.669Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/59/46/7a562799679d0c9bd3f12d28b43591eb953efc975e1241536733c5d8bcd3/neo4j-6.3.1.tar.gz", hash = "sha256:e75530ca0691d69916c56acdb7401df4ee9e1d5084cfcfb3ede796db38667dcd", size = 242885, upload-time = "2026-09-15T08:08:32.67Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/04/00/1f74089c06aec1fac9390e2300a6a6b2381e0dac281783d64ccca9d681fd/neo4j-5.28.2-py3-none-any.whl", hash = "sha256:5c53b5c3eee6dee7e920c9724391aa38d7135a651e71b766da00533b92a91a94", size = 313156, upload-time = "2025-07-30T06:04:31.438Z" },
+    { url = "https://files.pythonhosted.org/packages/08/a5/e33f76f4eb7e72c350e65802151884048325f889ab5d156ce4b6d9bde959/neo4j-6.3.1-py3-none-any.whl", hash = "sha256:a1b702d356f88885c27bdcf7dcd56af76423dbff4e26064e5bf5dbf47af53044", size = 331462, upload-time = "2026-09-15T08:08:31.252Z" },
 ]
 
 [[package]]