diff --git a/handlers/svg-open-street-map/requirements.txt b/handlers/svg-open-street-map/requirements.txt
index 276608bb..de4ea5cc 100644
Binary files a/handlers/svg-open-street-map/requirements.txt and b/handlers/svg-open-street-map/requirements.txt differ
diff --git a/preprocessors/ner/Dockerfile b/preprocessors/ner/Dockerfile
index 28b8ba2a..87afb18e 100644
--- a/preprocessors/ner/Dockerfile
+++ b/preprocessors/ner/Dockerfile
@@ -1,12 +1,11 @@
-FROM ubuntu:20.04
+FROM python:3.11-bookworm
 
-ENV JAVA_HOME /usr/lib/jvm/java-8-openjdk-amd64/
+ENV JAVA_HOME=/usr/lib/jvm/default-java
 
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y \
-    openjdk-8-jdk \
-    python3-pip \
-    gcc \
+    build-essential \
+    default-jre-headless \
     git \
     curl \
     && apt-get clean && \
diff --git a/preprocessors/ner/clipscore.py b/preprocessors/ner/clipscore.py
index 57e5d2b8..86a2696b 100644
--- a/preprocessors/ner/clipscore.py
+++ b/preprocessors/ner/clipscore.py
@@ -11,14 +11,12 @@
 '''
 import argparse
 import clip
+import sklearn.preprocessing
 import torch
 from PIL import Image
-from sklearn.preprocessing import normalize
 from torchvision.transforms import Compose, Resize, CenterCrop, ToTensor, Normalize
-import torch
 import tqdm
 import numpy as np
-import sklearn.preprocessing
 import collections
 import os
 import pathlib
diff --git a/preprocessors/ner/requirements.txt b/preprocessors/ner/requirements.txt
index 75816f2b..a47b551c 100644
--- a/preprocessors/ner/requirements.txt
+++ b/preprocessors/ner/requirements.txt
@@ -2,14 +2,14 @@ bs4==0.0.1
 imgkit==1.2.2
 nltk==3.7
 gunicorn==23.0.0
-pillow==12.1.1
-torch==1.13.1
+pillow==12.2.0
+torch==2.6.0
 tqdm~=4.66.3
-torchvision==0.8.2
-clip-by-openai==1.1
-scikit-learn==1.1.2
+torchvision==0.21.0
+scikit-learn==1.5.2
 packaging==21.3
 jsonschema==4.23.0
 Flask==3.1.3
 pycocoevalcap==1.2
-git+https://github.com/openai/CLIP
\ No newline at end of file
+# Pin the tested CLIP commit used for the Python 3.11-compatible NER build.
+git+https://github.com/openai/CLIP@d05afc436d78f1c48dc0dbf8e5980a9d471f35f6
diff --git a/services/espnet-tts-fr/requirements.txt b/services/espnet-tts-fr/requirements.txt
index e6a7091a..3ec47b74 100644
--- a/services/espnet-tts-fr/requirements.txt
+++ b/services/espnet-tts-fr/requirements.txt
@@ -1,6 +1,6 @@
 espnet==202207
 espnet_model_zoo==0.1.7
-Flask==3.1.3
+Flask==2.2.5
 gunicorn==23.0.0
 jsonschema==4.4.0
 parallel_wavegan==0.5.5
diff --git a/services/espnet-tts/requirements.txt b/services/espnet-tts/requirements.txt
index c5e004de..7790747a 100644
--- a/services/espnet-tts/requirements.txt
+++ b/services/espnet-tts/requirements.txt
@@ -1,6 +1,6 @@
 espnet==0.10.0
 espnet_model_zoo==0.1.7
-Flask==3.1.3
+Flask==2.2.5
 gunicorn==23.0.0
 jsonschema==4.4.0
 parallel_wavegan==0.5.4