diff --git a/backend/requirements.txt b/backend/requirements.txt
index db1c3802dc..5871015075 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -50,8 +50,7 @@ langchain==0.3.26
 langchain-community==0.3.27
 
 fake-useragent==2.2.0
-chromadb==0.6.3
-posthog==5.4.0
+chromadb==1.0.20
 pymilvus==2.5.0
 qdrant-client==1.14.3
 opensearch-py==2.8.0
diff --git a/pyproject.toml b/pyproject.toml
index 336ef15ac9..af69b86cec 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ dependencies = [
     "langchain-community==0.3.27",
 
     "fake-useragent==2.2.0",
-    "chromadb==0.6.3",
+    "chromadb==1.0.20",
     "pymilvus==2.5.0",
     "qdrant-client==1.14.3",
     "opensearch-py==2.8.0",
@@ -124,7 +124,6 @@ dependencies = [
     "tencentcloud-sdk-python==3.0.1336",
     
     "oracledb>=3.2.0",
-    "posthog==5.4.0",
 
 ]
 readme = "README.md"