diff --git a/Dockerfile b/Dockerfile
index 043115b..6774443 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:bookworm-slim as prod
+FROM debian:trixie-slim as prod
 RUN --mount=type=cache,id=apt-cache,target=/var/cache/apt,sharing=locked \
     --mount=type=cache,id=apt-lib,target=/var/lib/apt,sharing=locked \
     --mount=type=cache,id=debconf,target=/var/cache/debconf,sharing=locked \
diff --git a/lotemplate/unittest/files/content/html.expected.txt b/lotemplate/unittest/files/content/html.expected.txt
index 4435938..b2aace3 100644
--- a/lotemplate/unittest/files/content/html.expected.txt
+++ b/lotemplate/unittest/files/content/html.expected.txt
@@ -29,8 +29,6 @@ Address :
  123
 
   
-perso 1
-string 1
-perso 2
-lastname with < and >
+perso 1	string 1
+perso 2	lastname with < and >
 
diff --git a/lotemplate/unittest/files/content/table.expected.txt b/lotemplate/unittest/files/content/table.expected.txt
index 0e67f24..55250ab 100644
--- a/lotemplate/unittest/files/content/table.expected.txt
+++ b/lotemplate/unittest/files/content/table.expected.txt
@@ -1,26 +1,10 @@
 
-Column1
-Column2
-Column3
-a
-static
-A
-b
-static
-B
-c
-static
-C
-d
-static
-D
-e
-static
-E
-f
-static
-F
-g
-static
-G
+Column1	Column2	Column3
+a	static	A
+b	static	B
+c	static	C
+d	static	D
+e	static	E
+f	static	F
+g	static	G
 
diff --git a/requirements.txt b/requirements.txt
index d38e4bc..6490e1c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,9 +1,9 @@
-configargparse~=1.5.1
-Flask~=2.2.2
-python-dotenv~=0.21.0
-Pillow~=9.4.0
-gunicorn~=20.1.0
-Werkzeug~=2.2.2
-sorcery~=0.2.1
-regex~=2022.10.31
-pypdf~=4.2.0
\ No newline at end of file
+configargparse~=1.7
+Flask~=3.0.3
+python-dotenv~=1.0.1
+Pillow~=11.0.0
+gunicorn~=23.0.0
+Werkzeug~=3.1.2
+sorcery~=0.2.2
+regex~=2024.11.6
+pypdf~=5.1.0
\ No newline at end of file