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 4cdf1cc2c8e..1b85999edff 100644
--- a/modules/openapi-generator/src/main/resources/python-fastapi/requirements.mustache
+++ b/modules/openapi-generator/src/main/resources/python-fastapi/requirements.mustache
@@ -12,7 +12,7 @@ graphene==2.1.8
 graphql-core==2.3.2
 graphql-relay==2.0.1
 h11==0.12.0
-httptools==0.1.2
+httptools>=0.3.0,<0.7.0
 httpx==0.24.1
 idna==3.7
 itsdangerous==1.1.0
@@ -23,7 +23,7 @@ promise==2.3
 pydantic>=2
 python-dotenv==0.17.1
 python-multipart==0.0.7
-PyYAML==5.4.1
+PyYAML>=5.4.1,<6.1.0
 requests==2.32.0
 Rx==1.6.1
 starlette==0.36.3
diff --git a/samples/server/petstore/python-fastapi/requirements.txt b/samples/server/petstore/python-fastapi/requirements.txt
index 4cdf1cc2c8e..1b85999edff 100644
--- a/samples/server/petstore/python-fastapi/requirements.txt
+++ b/samples/server/petstore/python-fastapi/requirements.txt
@@ -12,7 +12,7 @@ graphene==2.1.8
 graphql-core==2.3.2
 graphql-relay==2.0.1
 h11==0.12.0
-httptools==0.1.2
+httptools>=0.3.0,<0.7.0
 httpx==0.24.1
 idna==3.7
 itsdangerous==1.1.0
@@ -23,7 +23,7 @@ promise==2.3
 pydantic>=2
 python-dotenv==0.17.1
 python-multipart==0.0.7
-PyYAML==5.4.1
+PyYAML>=5.4.1,<6.1.0
 requests==2.32.0
 Rx==1.6.1
 starlette==0.36.3