diff --git a/authenticating-users/requirements-test.txt b/authenticating-users/requirements-test.txt
index 6a3d7bca..f9ddc407 100644
--- a/authenticating-users/requirements-test.txt
+++ b/authenticating-users/requirements-test.txt
@@ -1 +1 @@
-pytest==7.1.2
\ No newline at end of file
+pytest==8.3.3
\ No newline at end of file
diff --git a/authenticating-users/requirements.txt b/authenticating-users/requirements.txt
index 0d4a3c36..ee5a1c32 100644
--- a/authenticating-users/requirements.txt
+++ b/authenticating-users/requirements.txt
@@ -1,5 +1,5 @@
 # [START getting_started_requirements]
-Flask==2.2.5
+Flask==3.0.3
 cryptography==41.0.2
 python-jose[cryptography]==3.3.0
 requests==2.31.0
diff --git a/background/app/requirements.txt b/background/app/requirements.txt
index 7cfba806..6c050115 100644
--- a/background/app/requirements.txt
+++ b/background/app/requirements.txt
@@ -1,3 +1,3 @@
-google-cloud-firestore==2.11.1
-google-cloud-pubsub==2.16.1
-flask==2.2.5
+google-cloud-firestore==2.19.0
+google-cloud-pubsub==2.26.0
+flask==3.0.3
diff --git a/background/function/requirements.txt b/background/function/requirements.txt
index b8e6aaad..f1e192de 100644
--- a/background/function/requirements.txt
+++ b/background/function/requirements.txt
@@ -1,2 +1,2 @@
-google-cloud-translate==3.11.1
-google-cloud-firestore==2.11.1
+google-cloud-translate==3.16.0
+google-cloud-firestore==2.19.0
diff --git a/bookshelf/Dockerfile b/bookshelf/Dockerfile
index 44c98b38..cfe70d52 100644
--- a/bookshelf/Dockerfile
+++ b/bookshelf/Dockerfile
@@ -1,6 +1,6 @@
 # Use the official Python image.
 # https://hub.docker.com/_/python
-FROM python:3.11-slim
+FROM python:3.13-slim
 
 # Copy local code to the container image.
 ENV APP_HOME /app
diff --git a/bookshelf/requirements.txt b/bookshelf/requirements.txt
index 27d3d4fe..5bf5b629 100644
--- a/bookshelf/requirements.txt
+++ b/bookshelf/requirements.txt
@@ -1,7 +1,7 @@
-Flask==2.2.5
-google-cloud-firestore==2.11.1
-google-cloud-storage==2.9.0
-google-cloud-error-reporting==1.9.1
-google-cloud-logging==3.5.0
+Flask==3.0.3
+google-cloud-firestore==2.19.0
+google-cloud-storage==2.18.2
+google-cloud-error-reporting==1.11.1
+google-cloud-logging==3.11.2
 gunicorn==20.1.0
 six==1.16.0
diff --git a/gce/requirements.txt b/gce/requirements.txt
index b655465f..8dbc2d2d 100644
--- a/gce/requirements.txt
+++ b/gce/requirements.txt
@@ -1,3 +1,3 @@
-flask==2.2.5
-honcho==1.1.0
+flask==3.0.3
+honcho==2.0.0
 gunicorn==20.1.0
diff --git a/requirements.txt b/requirements.txt
index 0fd66f54..50fb65ef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 flake8===5.0.4; python_version < '3.8'
-flake8==6.0.0; python_version >= '3.8'
-pytest==7.3.1
-nox==2023.4.22
+flake8==7.1.1; python_version >= '3.8'
+pytest==8.3.3
+nox==2024.10.9
 requests==2.31.0
diff --git a/sessions/requirements.txt b/sessions/requirements.txt
index e0e267b5..53cbc58b 100644
--- a/sessions/requirements.txt
+++ b/sessions/requirements.txt
@@ -1,2 +1,2 @@
-google-cloud-firestore==2.11.1
-flask==2.2.5
+google-cloud-firestore==2.19.0
+flask==3.0.3