diff --git a/99_doc/requirements.txt b/99_doc/requirements.txt
index ac93854..3b1e0f1 100644
--- a/99_doc/requirements.txt
+++ b/99_doc/requirements.txt
@@ -11,7 +11,7 @@ python-docx>=0.8.11       # Word (.docx) processing
 PyYAML>=6.0               # YAML processing
 
 # Knowledge base & embeddings (optional)
-sentence-transformers>=2.2.0
+sentence-transformers>=5.4.1
 
 # Optional RAG support (if enabled in config)
 # chromadb>=0.4.0         # Vector database
diff --git a/requirements_rag.txt b/requirements_rag.txt
index 76eb4a0..60b42ef 100644
--- a/requirements_rag.txt
+++ b/requirements_rag.txt
@@ -8,7 +8,7 @@ scikit-learn>=1.7.2
 # RAG and Vector Database
 ollama>=0.3.3
 faiss-cpu>=1.8.0
-sentence-transformers>=3.1.1
+sentence-transformers>=5.4.1
 langchain>=0.3.1
 langchain-community>=0.3.1
 langsmith>=0.1.129