diff --git a/backend/requirements.txt b/backend/requirements.txt
index 0fdcb618fd2..30f23fc1845 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,7 +1,7 @@
 fastapi==0.118.0
 uvicorn[standard]==0.37.0
 pydantic==2.11.9
-python-multipart==0.0.20
+python-multipart==0.0.26
 itsdangerous==2.2.0
 
 python-socketio==5.13.0
@@ -10,10 +10,10 @@ cryptography
 bcrypt==5.0.0
 argon2-cffi==25.1.0
 PyJWT[crypto]==2.10.1
-authlib==1.6.5
+authlib==1.6.9
 
-requests==2.32.5
-aiohttp==3.12.15
+requests==2.33.0
+aiohttp==3.13.4
 async-timeout
 aiocache
 aiofiles
@@ -58,13 +58,13 @@ pyarrow==20.0.0 # fix: pin pyarrow version to 20 for rpi compatibility #15897
 einops==0.8.1 
 
 ftfy==6.2.3
-pypdf==6.0.0
+pypdf==6.10.1
 fpdf2==2.8.2
 pymdown-extensions==10.14.2
 docx2txt==0.8
 python-pptx==1.0.2
-unstructured==0.18.15
-nltk==3.9.1
+unstructured==0.18.18
+nltk==3.9.4
 Markdown==3.9
 pypandoc==1.15
 pandas==2.2.3
@@ -77,7 +77,7 @@ sentencepiece
 soundfile==0.13.1
 azure-ai-documentintelligence==1.0.2
 
-pillow==11.3.0
+pillow==12.2.0
 opencv-python-headless==4.11.0.86
 rapidocr-onnxruntime==1.4.4
 rank-bm25==0.2.2
@@ -86,7 +86,7 @@ onnxruntime==1.20.1
 faster-whisper==1.1.1
 
 
-black==25.9.0
+black==26.3.1
 youtube-transcript-api==1.2.2
 pytube==15.0.0
 
@@ -126,7 +126,7 @@ colbert-ai==0.2.21
 
 ## Tests
 docker~=7.1.0
-pytest~=8.4.1
+pytest~=9.0.3
 pytest-docker~=3.1.1
 
 ## LDAP