diff --git a/modules/openapi-generator/src/main/resources/python-fastapi/requirements.mustache b/modules/openapi-generator/src/main/resources/python-fastapi/requirements.mustache
index a32429ef821..62eefcff344 100644
--- a/modules/openapi-generator/src/main/resources/python-fastapi/requirements.mustache
+++ b/modules/openapi-generator/src/main/resources/python-fastapi/requirements.mustache
@@ -11,9 +11,9 @@ fastapi==0.115.2
 graphene==2.1.8
 graphql-core==2.3.2
 graphql-relay==2.0.1
-h11==0.12.0
+h11==0.16.0
 httptools>=0.3.0,<0.7.0
-httpx==0.24.1
+httpx==0.28.1
 idna==3.7
 itsdangerous==1.1.0
 Jinja2==3.1.4
diff --git a/samples/server/petstore/python-fastapi/requirements.txt b/samples/server/petstore/python-fastapi/requirements.txt
index a32429ef821..62eefcff344 100644
--- a/samples/server/petstore/python-fastapi/requirements.txt
+++ b/samples/server/petstore/python-fastapi/requirements.txt
@@ -11,9 +11,9 @@ fastapi==0.115.2
 graphene==2.1.8
 graphql-core==2.3.2
 graphql-relay==2.0.1
-h11==0.12.0
+h11==0.16.0
 httptools>=0.3.0,<0.7.0
-httpx==0.24.1
+httpx==0.28.1
 idna==3.7
 itsdangerous==1.1.0
 Jinja2==3.1.4