diff --git a/python/bookcollection/requirements.txt b/python/bookcollection/requirements.txt
index bd4ec35..d6ae24f 100644
--- a/python/bookcollection/requirements.txt
+++ b/python/bookcollection/requirements.txt
@@ -1,4 +1,4 @@
-Flask==2.0.1
+Flask==2.2.5
 Werkzeug==2.0.1
 flask-restx==0.5.1
 pymongo==3.12.1
diff --git a/python/geolocation/requirements-geolocation.txt b/python/geolocation/requirements-geolocation.txt
index 6305a60..6cc0fba 100644
--- a/python/geolocation/requirements-geolocation.txt
+++ b/python/geolocation/requirements-geolocation.txt
@@ -1,4 +1,4 @@
-Flask==2.0.1
+Flask==2.2.5
 flask-httpauth==4.3.0
 flasgger==0.9.5
 pymongo==3.12.1
diff --git a/python/graphql/requirements.txt b/python/graphql/requirements.txt
index 79242d6..5e20e59 100644
--- a/python/graphql/requirements.txt
+++ b/python/graphql/requirements.txt
@@ -1,4 +1,4 @@
-Flask==2.0.2
+Flask==2.2.5
 Flask-Cors==3.0.10
 pymongo==4.0.1
 pydantic==1.9.0
diff --git a/python/photo/requirements-photo.txt b/python/photo/requirements-photo.txt
index 35f858d..abc372c 100644
--- a/python/photo/requirements-photo.txt
+++ b/python/photo/requirements-photo.txt
@@ -1,4 +1,4 @@
-Flask==2.1.1
+Flask==2.2.5
 pymongo==4.0.2
 #flasgger 0.9.5 is not compatible with Flask 2.1.1
 flasgger==0.9.4
diff --git a/python/requirements.txt b/python/requirements.txt
index b6a8aeb..c70da4b 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,4 +1,4 @@
-Flask==2.0.1
+Flask==2.2.5
 flask-httpauth==4.3.0
 Flask-Session==0.3.2
 flasgger==0.9.5