diff --git a/cerulean_cloud/cloud_function_historical_run/requirements.txt b/cerulean_cloud/cloud_function_historical_run/requirements.txt
index 91af1277..58d253ee 100644
--- a/cerulean_cloud/cloud_function_historical_run/requirements.txt
+++ b/cerulean_cloud/cloud_function_historical_run/requirements.txt
@@ -2,4 +2,6 @@ asyncpg
 shapely==2.0.1
 google-cloud-tasks
 eodag==2.5.2
-eodag-sentinelsat==0.4.1
\ No newline at end of file
+eodag-sentinelsat==0.4.1
+Flask>=1.0,<3.0
+functions-framework==3.0.0
diff --git a/cerulean_cloud/cloud_function_scene_relevancy/requirements.txt b/cerulean_cloud/cloud_function_scene_relevancy/requirements.txt
index a0a4cef2..7b9e61f6 100644
--- a/cerulean_cloud/cloud_function_scene_relevancy/requirements.txt
+++ b/cerulean_cloud/cloud_function_scene_relevancy/requirements.txt
@@ -1,3 +1,5 @@
 asyncpg
 shapely==2.0.1
-google-cloud-tasks
\ No newline at end of file
+google-cloud-tasks
+Flask>=1.0,<3.0
+functions-framework==3.0.0