diff --git a/requirements.txt b/requirements.txt
index f22b69e..6e35534 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 attrdict==2.0.1
 boto3==1.35.19
-covjsonkit==0.2.10
+covjsonkit==0.2.9
 deepmerge==2.0
 docker==7.1.0
 ecmwf-api-client==1.6.3
@@ -26,8 +26,8 @@ opentelemetry-instrumentation-logging==0.59b0
 opentelemetry-instrumentation-flask==0.59b0
 opentelemetry-sdk==1.38.0
 pika==1.3.2
-polytope-mars==0.3.7
-polytope-python==2.1.2
+polytope-mars==0.3.8
+polytope-python[switching_grids]==2.1.6
 qubed==0.3.0
 prometheus-client==0.21.0
 py-bcrypt==0.4
@@ -45,4 +45,4 @@ redis==5.0.8
 requests==2.32.3
 Werkzeug==3.0.6
 uvicorn==0.32.0
-fastapi==0.115.5
+fastapi==0.115.5
\ No newline at end of file