diff --git a/requirements.txt b/requirements.txt
index 75af938..232fa7f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 flair==0.13.1
 conllu==4.5.3
 pandas==1.5.3
-numpy==1.26.4
 torch==2.3.0
-convlab==3.0.2a0
\ No newline at end of file
+convlab==3.0.2a0
+numpy==1.24.4
+fuzzywuzzy==0.18.0
diff --git a/src/service/dialog_policy.py b/src/service/dialog_policy.py
index cafa615..12eaacc 100644
--- a/src/service/dialog_policy.py
+++ b/src/service/dialog_policy.py
@@ -56,4 +56,6 @@ class SimpleRulePolicy(Policy):
                 if domain in ["pizza", "drink"]:
                     system_action[(domain, 'Recommend')].append(['Name', choice['name']])
                 if domain in ["size"]:
-                    system_action[(domain, 'Recommend')].append(['Size', choice['size']])
\ No newline at end of file
+                    system_action[(domain, 'Recommend')].append(['Size', choice['size']])
+
+dialogPolicy = SimpleRulePolicy()
\ No newline at end of file