diff --git a/.github/workflows/dev-ci.yml b/.github/workflows/dev-ci.yml
index 028d3d2ede..57a550784d 100644
--- a/.github/workflows/dev-ci.yml
+++ b/.github/workflows/dev-ci.yml
@@ -11,7 +11,7 @@ jobs:
   manylinux_build:
     name: Build linux ${{ matrix.python.name }} wheel
     runs-on: ubuntu-latest
-    container: quay.io/pypa/manylinux_2_24_x86_64:2022-12-26-0d38463
+    container: quay.io/pypa/manylinux_2_28_x86_64:2024-01-08-eb135ed
     strategy:
       matrix:
         python:
@@ -23,10 +23,7 @@ jobs:
 
     steps:
       - name: Install Linux packages
-        run: |
-          echo "deb http://archive.debian.org/debian stretch main contrib non-free" > /etc/apt/sources.list
-          apt-get update
-          apt install -y wget
+        run: dnf install -y wget
 
       - name: Install Maven
         run: |
diff --git a/.github/workflows/full-ci.yml b/.github/workflows/full-ci.yml
index 89b9384bb5..153d976af1 100644
--- a/.github/workflows/full-ci.yml
+++ b/.github/workflows/full-ci.yml
@@ -11,51 +11,38 @@ jobs:
   manylinux_build:
     name: Build linux ${{ matrix.python.name }} wheel
     runs-on: ubuntu-latest
-    container: ${{ matrix.python.container }}
+    container: quay.io/pypa/manylinux_2_28_x86_64:2024-01-08-eb135ed
     strategy:
       matrix:
         python:
           - {
             name: cp38,
             abi: cp38,
-            version: '3.8',
-            container: 'quay.io/pypa/manylinux_2_24_x86_64:2022-12-26-0d38463'
+            version: '3.8'
           }
           - {
             name: cp39,
             abi: cp39,
-            version: '3.9',
-            container: 'quay.io/pypa/manylinux_2_24_x86_64:2022-12-26-0d38463'
+            version: '3.9'
           }
           - {
             name: cp310,
             abi: cp310,
-            version: '3.10',
-            container: 'quay.io/pypa/manylinux_2_24_x86_64:2022-12-26-0d38463'
+            version: '3.10'
           }
           - {
             name: cp311,
             abi: cp311,
-            version: '3.11',
-            container: 'quay.io/pypa/manylinux_2_24_x86_64:2022-12-26-0d38463'
+            version: '3.11'
           }
           - {
             name: cp312,
             abi: cp312,
-            version: '3.12',
-            container: 'quay.io/pypa/manylinux_2_28_x86_64:2024-01-08-eb135ed'
+            version: '3.12'
           }
 
     steps:
-      - name: Install Linux packages (Debian)
-        if: matrix.python.version != '3.12'
-        run: |
-          echo "deb http://archive.debian.org/debian stretch main contrib non-free" > /etc/apt/sources.list
-          apt-get update
-          apt install -y wget
-
-      - name: Install Linux packages (Alma Linux)
-        if: matrix.python.version == '3.12'
+      - name: Install Linux packages
         run: dnf install -y wget
 
       - name: Install Maven
diff --git a/README.md b/README.md
index 021e5a05ae..21dbf8414a 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ Notebooks demonstrating PyPowSyBl features can be found in this [repository](htt
 
 ## Installation
 
-PyPowSyBl is released on [PyPi](https://pypi.org/project/pypowsybl/) for Python 3.7 to 3.11, on Linux, Windows and MacOS.
+PyPowSyBl is released on [PyPi](https://pypi.org/project/pypowsybl/) for Python 3.8 to 3.12, on Linux, Windows and MacOS.
 
 First, make sure you have an up-to-date version of pip and setuptools:
 ```bash
@@ -144,7 +144,7 @@ And then, to build the documentation:
 make html
 ```
 
-Web pages are generated in repository _build/html/ for preview before openning a pull request.
+Web pages are generated in repository _build/html/ for preview before opening a pull request.
 You can for example open it with firefox browser:
 
 ```bash
diff --git a/java/src/main/java/com/powsybl/dataframe/network/NetworkDataframes.java b/java/src/main/java/com/powsybl/dataframe/network/NetworkDataframes.java
index 9d77d56d1b..7f4ea17f03 100644
--- a/java/src/main/java/com/powsybl/dataframe/network/NetworkDataframes.java
+++ b/java/src/main/java/com/powsybl/dataframe/network/NetworkDataframes.java
@@ -246,7 +246,7 @@ static NetworkDataframeMapper generators() {
         return NetworkDataframeMapperBuilder.ofStream(Network::getGeneratorStream, getOrThrow(Network::getGenerator, "Generator"))
                 .stringsIndex("id", Generator::getId)
                 .strings("name", g -> g.getOptionalName().orElse(""))
-                .enums("energy_source", EnergySource.class, Generator::getEnergySource)
+                .enums("energy_source", EnergySource.class, Generator::getEnergySource, Generator::setEnergySource)
                 .doubles("target_p", Generator::getTargetP, Generator::setTargetP)
                 .doubles("min_p", Generator::getMinP, Generator::setMinP)
                 .doubles("max_p", Generator::getMaxP, Generator::setMaxP)