diff --git a/.github/workflows/latex-builder.yml b/.github/workflows/latex-builder.yml
index 9d32f2d0..1ff973e1 100644
--- a/.github/workflows/latex-builder.yml
+++ b/.github/workflows/latex-builder.yml
@@ -9,15 +9,10 @@ jobs:
       image: blang/latex:ubuntu
     steps:
       - name: checkout repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: version
         run: echo "::set-output name=version::$(cat version)"
         id: version
-#       - uses: actions/checkout@v2
-#         with:
-#           repository: 42-AI/42_resources
-#           ref: refs/heads/release
-#           mv 42_resources resources
       - name: Make pdf
         run: |
           make
@@ -27,7 +22,7 @@ jobs:
           cp build/module03.pdf /
           cp build/module04.pdf /
       - name: Upload pdf artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: modules.pdf
           path: |
@@ -44,7 +39,7 @@ jobs:
     if: "contains(github.ref, 'master')"
     steps:
       - name: checkout repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: version
         run: echo "::set-output name=version::$(cat version)"
         id: version
@@ -58,7 +53,7 @@ jobs:
           cp build/module04.pdf /
           cp CHANGELOG.md /
       - name: create release
-        uses: actions/create-release@v1
+        uses: actions/create-release@v1.1.4
         id: create_release
         with:
           draft: false
diff --git a/module04/subject/en.subject.aux b/module04/subject/en.subject.aux
new file mode 100644
index 00000000..5e5f2ff0
--- /dev/null
+++ b/module04/subject/en.subject.aux
@@ -0,0 +1,40 @@
+\relax 
+\providecommand\zref@newlabel[2]{}
+\providecommand\hyper@newdestlabel[2]{}
+\providecommand\HyField@AuxAddToFields[1]{}
+\providecommand\HyField@AuxAddToCoFields[2]{}
+\providecommand\babel@aux[2]{}
+\@nameuse{bbl@beforestart}
+\babel@aux{english}{}
+\@writefile{toc}{\contentsline {chapter}{\numberline {I}Common Instructions}{1}{chapter.1}\protected@file@percent }
+\@writefile{lof}{\addvspace {10\p@ }}
+\@writefile{lot}{\addvspace {10\p@ }}
+\@writefile{toc}{\contentsline {chapter}{\numberline {II}Exercise 00}{3}{chapter.2}\protected@file@percent }
+\@writefile{lof}{\addvspace {10\p@ }}
+\@writefile{lot}{\addvspace {10\p@ }}
+\@writefile{toc}{\contentsline {chapter}{\numberline {III}Exercise 01}{5}{chapter.3}\protected@file@percent }
+\@writefile{lof}{\addvspace {10\p@ }}
+\@writefile{lot}{\addvspace {10\p@ }}
+\@writefile{toc}{\contentsline {chapter}{\numberline {IV}Exercise 02}{7}{chapter.4}\protected@file@percent }
+\@writefile{lof}{\addvspace {10\p@ }}
+\@writefile{lot}{\addvspace {10\p@ }}
+\@writefile{toc}{\contentsline {chapter}{\numberline {V}Exercise 03}{9}{chapter.5}\protected@file@percent }
+\@writefile{lof}{\addvspace {10\p@ }}
+\@writefile{lot}{\addvspace {10\p@ }}
+\@writefile{toc}{\contentsline {chapter}{\numberline {VI}Exercise 04}{11}{chapter.6}\protected@file@percent }
+\@writefile{lof}{\addvspace {10\p@ }}
+\@writefile{lot}{\addvspace {10\p@ }}
+\@writefile{toc}{\contentsline {chapter}{\numberline {VII}Exercise 05}{13}{chapter.7}\protected@file@percent }
+\@writefile{lof}{\addvspace {10\p@ }}
+\@writefile{lot}{\addvspace {10\p@ }}
+\@writefile{toc}{\contentsline {chapter}{\numberline {VIII}Exercise 06}{15}{chapter.8}\protected@file@percent }
+\@writefile{lof}{\addvspace {10\p@ }}
+\@writefile{lot}{\addvspace {10\p@ }}
+\@writefile{lof}{\contentsline {figure}{\numberline {VIII.1}{\ignorespaces histogram}}{16}{figure.8.1}\protected@file@percent }
+\@writefile{lof}{\contentsline {figure}{\numberline {VIII.2}{\ignorespaces density}}{16}{figure.8.2}\protected@file@percent }
+\@writefile{lof}{\contentsline {figure}{\numberline {VIII.3}{\ignorespaces pair plot}}{16}{figure.8.3}\protected@file@percent }
+\@writefile{lof}{\contentsline {figure}{\numberline {VIII.4}{\ignorespaces box plot}}{16}{figure.8.4}\protected@file@percent }
+\@writefile{toc}{\contentsline {chapter}{\numberline {IX}Exercise 07}{17}{chapter.9}\protected@file@percent }
+\@writefile{lof}{\addvspace {10\p@ }}
+\@writefile{lot}{\addvspace {10\p@ }}
+\gdef \@abspage@last{20}
diff --git a/module04/subject/en.subject.out b/module04/subject/en.subject.out
new file mode 100644
index 00000000..77d1dda9
--- /dev/null
+++ b/module04/subject/en.subject.out
@@ -0,0 +1,9 @@
+\BOOKMARK [0][-]{chapter.1}{\376\377\000C\000o\000m\000m\000o\000n\000\040\000I\000n\000s\000t\000r\000u\000c\000t\000i\000o\000n\000s}{}% 1
+\BOOKMARK [0][-]{chapter.2}{\376\377\000E\000x\000e\000r\000c\000i\000s\000e\000\040\0000\0000}{}% 2
+\BOOKMARK [0][-]{chapter.3}{\376\377\000E\000x\000e\000r\000c\000i\000s\000e\000\040\0000\0001}{}% 3
+\BOOKMARK [0][-]{chapter.4}{\376\377\000E\000x\000e\000r\000c\000i\000s\000e\000\040\0000\0002}{}% 4
+\BOOKMARK [0][-]{chapter.5}{\376\377\000E\000x\000e\000r\000c\000i\000s\000e\000\040\0000\0003}{}% 5
+\BOOKMARK [0][-]{chapter.6}{\376\377\000E\000x\000e\000r\000c\000i\000s\000e\000\040\0000\0004}{}% 6
+\BOOKMARK [0][-]{chapter.7}{\376\377\000E\000x\000e\000r\000c\000i\000s\000e\000\040\0000\0005}{}% 7
+\BOOKMARK [0][-]{chapter.8}{\376\377\000E\000x\000e\000r\000c\000i\000s\000e\000\040\0000\0006}{}% 8
+\BOOKMARK [0][-]{chapter.9}{\376\377\000E\000x\000e\000r\000c\000i\000s\000e\000\040\0000\0007}{}% 9
diff --git a/module04/subject/en.subject.pdf b/module04/subject/en.subject.pdf
new file mode 100644
index 00000000..20471926
Binary files /dev/null and b/module04/subject/en.subject.pdf differ
diff --git a/module04/subject/en.subject.toc b/module04/subject/en.subject.toc
new file mode 100644
index 00000000..581fee87
--- /dev/null
+++ b/module04/subject/en.subject.toc
@@ -0,0 +1,10 @@
+\babel@toc {english}{}\relax 
+\contentsline {chapter}{\numberline {I}Common Instructions}{1}{chapter.1}%
+\contentsline {chapter}{\numberline {II}Exercise 00}{3}{chapter.2}%
+\contentsline {chapter}{\numberline {III}Exercise 01}{5}{chapter.3}%
+\contentsline {chapter}{\numberline {IV}Exercise 02}{7}{chapter.4}%
+\contentsline {chapter}{\numberline {V}Exercise 03}{9}{chapter.5}%
+\contentsline {chapter}{\numberline {VI}Exercise 04}{11}{chapter.6}%
+\contentsline {chapter}{\numberline {VII}Exercise 05}{13}{chapter.7}%
+\contentsline {chapter}{\numberline {VIII}Exercise 06}{15}{chapter.8}%
+\contentsline {chapter}{\numberline {IX}Exercise 07}{17}{chapter.9}%