diff --git a/.gitignore b/.gitignore
index cbb4ff273..cb403a63b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -484,7 +484,7 @@ modules.xml
 # pyenv
 #   For a library or package, you might want to ignore these files since the code is
 #   intended to run in multiple environments; otherwise, check them in:
-.python-version
+# .python-version
 
 # pipenv
 #   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
diff --git a/.python-version b/.python-version
new file mode 100644
index 000000000..a5c4c7633
--- /dev/null
+++ b/.python-version
@@ -0,0 +1 @@
+3.9.0
diff --git a/backend/.python-version b/backend/.python-version
new file mode 100644
index 000000000..a5c4c7633
--- /dev/null
+++ b/backend/.python-version
@@ -0,0 +1 @@
+3.9.0
diff --git a/backend/adapter_processor/exceptions.py b/backend/adapter_processor/exceptions.py
index f2eeeb73e..5bddbb3c2 100644
--- a/backend/adapter_processor/exceptions.py
+++ b/backend/adapter_processor/exceptions.py
@@ -20,6 +20,14 @@ class InValidAdapterId(APIException):
     default_detail = "Adapter ID is not Valid."
 
 
+class InvalidEncryptionKey(APIException):
+    status_code = 403
+    default_detail = (
+        "Platform encryption key for storing adapter credentials has changed! "
+        "Please inform the organization admin to contact support."
+    )
+
+
 class InternalServiceError(APIException):
     status_code = 500
     default_detail = "Internal Service error"
diff --git a/backend/adapter_processor/serializers.py b/backend/adapter_processor/serializers.py
index 716016282..80637206e 100644
--- a/backend/adapter_processor/serializers.py
+++ b/backend/adapter_processor/serializers.py
@@ -4,7 +4,8 @@
 from account.serializer import UserSerializer
 from adapter_processor.adapter_processor import AdapterProcessor
 from adapter_processor.constants import AdapterKeys
-from cryptography.fernet import Fernet
+from adapter_processor.exceptions import InvalidEncryptionKey
+from cryptography.fernet import Fernet, InvalidToken
 from django.conf import settings
 from rest_framework import serializers
 from rest_framework.serializers import ModelSerializer
@@ -62,7 +63,10 @@ def to_representation(self, instance: AdapterInstance) -> dict[str, str]:
 
         rep.pop(AdapterKeys.ADAPTER_METADATA_B)
 
-        adapter_metadata = instance.get_adapter_meta_data()
+        try:
+            adapter_metadata = instance.get_adapter_meta_data()
+        except InvalidToken:
+            raise InvalidEncryptionKey
         rep[AdapterKeys.ADAPTER_METADATA] = adapter_metadata
         # Retrieve context window if adapter is a LLM
         # For other adapter types, context_window is not relevant.
diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
index 33de0fed5..373fe9f63 100644
--- a/docker/docker-compose.yaml
+++ b/docker/docker-compose.yaml
@@ -130,6 +130,9 @@ services:
       - ../prompt-service/.env
     labels:
       - traefik.enable=false
+    extra_hosts:
+      # "host-gateway" is a special string that translates to host docker0 i/f IP.
+      - "host.docker.internal:host-gateway"
 
   x2text-service:
     image: unstract/x2text-service:${VERSION}
diff --git a/platform-service/src/unstract/platform_service/main.py b/platform-service/src/unstract/platform_service/main.py
index 883f12017..f7ea2b5fb 100644
--- a/platform-service/src/unstract/platform_service/main.py
+++ b/platform-service/src/unstract/platform_service/main.py
@@ -506,4 +506,4 @@ def handle_custom_exception(error: Any) -> tuple[Response, Any]:
 
 if __name__ == "__main__":
     # Start the server
-    app.run()
+    app.run(host="0.0.0.0", port="3001")
diff --git a/prompt-service/.python-version b/prompt-service/.python-version
new file mode 100644
index 000000000..a5c4c7633
--- /dev/null
+++ b/prompt-service/.python-version
@@ -0,0 +1 @@
+3.9.0
diff --git a/run-platform.sh b/run-platform.sh
index eb7dfa832..a11261fe4 100755
--- a/run-platform.sh
+++ b/run-platform.sh
@@ -222,6 +222,8 @@ build_services() {
     }
   elif [ "$first_setup" = true ] || [ "$opt_upgrade" = true ]; then
     echo -e "$blue_text""Pulling""$default_text"" docker images tag ""$blue_text""$opt_version""$default_text""."
+    # Try again on a slow network.
+    VERSION=$opt_version $docker_compose_cmd -f $script_dir/docker/docker-compose.yaml pull ||
     VERSION=$opt_version $docker_compose_cmd -f $script_dir/docker/docker-compose.yaml pull || {
       echo -e "$red_text""Failed to pull docker images.""$default_text"
       echo -e "$red_text""Either version not found or docker is not running.""$default_text"