diff --git a/litellm/caching/qdrant_semantic_cache.py b/litellm/caching/qdrant_semantic_cache.py
index 2577ac99de8..167a28791d5 100644
--- a/litellm/caching/qdrant_semantic_cache.py
+++ b/litellm/caching/qdrant_semantic_cache.py
@@ -197,7 +197,7 @@ class QdrantSemanticCache(BaseCache):
         # get the embedding
         embedding = embedding_response["data"][0]["embedding"]
 
-        value = json.dumps(value)
+        value = json.dumps(value, default=str)
         assert isinstance(value, str)
 
         data = {
@@ -329,7 +329,7 @@ class QdrantSemanticCache(BaseCache):
         # get the embedding
         embedding = embedding_response["data"][0]["embedding"]
 
-        value = json.dumps(value)
+        value = json.dumps(value, default=str)
         assert isinstance(value, str)
 
         data = {