diff --git a/ch08/requirements/requirements.txt b/ch08/requirements/requirements.txt
index 99f99ae..1b773d8 100644
--- a/ch08/requirements/requirements.txt
+++ b/ch08/requirements/requirements.txt
@@ -8,9 +8,11 @@ certifi==2024.8.30
     # via requests
 charset-normalizer==3.4.0
     # via requests
+greenlet==3.2.3
+    # via sqlalchemy
 idna==3.10
     # via requests
-requests==2.32.3
+requests==2.32.4
     # via -r requirements.in
 sqlalchemy==2.0.36
     # via -r requirements.in
diff --git a/ch13/requirements/requirements.txt b/ch13/requirements/requirements.txt
index 5d4826c..b47a158 100644
--- a/ch13/requirements/requirements.txt
+++ b/ch13/requirements/requirements.txt
@@ -8,8 +8,6 @@ anyio==4.6.2.post1
     # via
     #   httpx
     #   jupyter-server
-appnope==0.1.4
-    # via ipykernel
 argon2-cffi==23.1.0
     # via jupyter-server
 argon2-cffi-bindings==21.2.0
@@ -96,7 +94,7 @@ isoduration==20.11.0
     # via jsonschema
 jedi==0.19.2
     # via ipython
-jinja2==3.1.4
+jinja2==3.1.5
     # via
     #   jupyter-server
     #   jupyterlab
diff --git a/ch14/requirements/dev.txt b/ch14/requirements/dev.txt
index cee4600..16d937d 100644
--- a/ch14/requirements/dev.txt
+++ b/ch14/requirements/dev.txt
@@ -8,8 +8,6 @@ anyio==4.6.2.post1
     # via
     #   httpx
     #   jupyter-server
-appnope==0.1.4
-    # via ipykernel
 argon2-cffi==23.1.0
     # via jupyter-server
 argon2-cffi-bindings==21.2.0
@@ -84,7 +82,7 @@ isort==5.13.2
     # via -r dev.in
 jedi==0.19.2
     # via ipython
-jinja2==3.1.4
+jinja2==3.1.5
     # via
     #   jupyter-server
     #   jupyterlab
diff --git a/ch14/requirements/requirements.txt b/ch14/requirements/requirements.txt
index 029905e..a7e9412 100644
--- a/ch14/requirements/requirements.txt
+++ b/ch14/requirements/requirements.txt
@@ -12,7 +12,7 @@ cffi==1.17.1
     # via cryptography
 click==8.1.7
     # via uvicorn
-cryptography==43.0.3
+cryptography==44.0.1
     # via pyjwt
 dnspython==2.7.0
     # via email-validator
@@ -20,6 +20,8 @@ email-validator==2.2.0
     # via pydantic
 fastapi==0.115.5
     # via -r requirements.in
+greenlet==3.1.1
+    # via sqlalchemy
 h11==0.14.0
     # via uvicorn
 idna==3.10
diff --git a/ch15/requirements/requirements.txt b/ch15/requirements/requirements.txt
index abd671b..e4dfad2 100644
--- a/ch15/requirements/requirements.txt
+++ b/ch15/requirements/requirements.txt
@@ -28,7 +28,7 @@ pydantic-settings==2.6.1
     # via -r requirements.in
 python-dotenv==1.0.1
     # via pydantic-settings
-requests==2.32.3
+requests==2.32.4
     # via -r requirements.in
 typing-extensions==4.12.2
     # via