diff --git a/.github/workflows/tests_01.yml b/.github/workflows/tests_01.yml
index c2471c71..a6709e17 100644
--- a/.github/workflows/tests_01.yml
+++ b/.github/workflows/tests_01.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: [3.10]
+        python: [3.11]
     env:
         BIGML_USERNAME: ${{ secrets.BIGML_USERNAME }}
         BIGML_API_KEY: ${{ secrets.BIGML_API_KEY }}
diff --git a/.github/workflows/tests_05.yml b/.github/workflows/tests_05.yml
index 0c943129..dc01250a 100644
--- a/.github/workflows/tests_05.yml
+++ b/.github/workflows/tests_05.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: [3.10]
+        python: [3.11]
     env:
         BIGML_USERNAME: ${{ secrets.BIGML_USERNAME }}
         BIGML_API_KEY: ${{ secrets.BIGML_API_KEY }}
diff --git a/.github/workflows/tests_22.yml b/.github/workflows/tests_22.yml
index a80d8668..7d2d8c87 100644
--- a/.github/workflows/tests_22.yml
+++ b/.github/workflows/tests_22.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: [3.10]
+        python: [3.11]
     env:
         BIGML_USERNAME: ${{ secrets.BIGML_USERNAME }}
         BIGML_API_KEY: ${{ secrets.BIGML_API_KEY }}
diff --git a/.github/workflows/tests_23.yml b/.github/workflows/tests_23.yml
index 2edc1e6b..859be798 100644
--- a/.github/workflows/tests_23.yml
+++ b/.github/workflows/tests_23.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: [3.10]
+        python: [3.11]
     env:
         BIGML_USERNAME: ${{ secrets.BIGML_USERNAME }}
         BIGML_API_KEY: ${{ secrets.BIGML_API_KEY }}
diff --git a/.github/workflows/tests_36.yml b/.github/workflows/tests_36.yml
index e6cfe5cd..934cfc83 100644
--- a/.github/workflows/tests_36.yml
+++ b/.github/workflows/tests_36.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: [3.10]
+        python: [3.11]
     env:
         BIGML_USERNAME: ${{ secrets.BIGML_USERNAME }}
         BIGML_API_KEY: ${{ secrets.BIGML_API_KEY }}
diff --git a/HISTORY.rst b/HISTORY.rst
index da5c09d1..1a63a61c 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -3,8 +3,8 @@
 History
 -------
 
-9.8.0 (2024-01-09)
-------------------
+9.8.0.dev (2024-02-19)
+----------------------
 
 - Upgrading libraries to avoid failures in Apple M1 machines.
 - Fixing local predictions input data preprocessing for missings.
diff --git a/bigml/version.py b/bigml/version.py
index 3cd81c28..4e9967f4 100644
--- a/bigml/version.py
+++ b/bigml/version.py
@@ -1 +1 @@
-__version__ = '9.8.0'
+__version__ = '9.8.0.dev'
diff --git a/setup.py b/setup.py
index bd7df954..824fdea2 100644
--- a/setup.py
+++ b/setup.py
@@ -51,7 +51,7 @@
     license="http://www.apache.org/licenses/LICENSE-2.0",
     setup_requires = ['pytest'],
     install_requires = ["unidecode", "bigml-chronos>=0.4.3", "requests",
-        "requests-toolbelt", "msgpack", "numpy>=1.25,<1.26", "scipy",
+        "requests-toolbelt", "msgpack", "numpy>=1.22", "scipy",
         "javascript"],
     extras_require={"images": IMAGES_DEPENDENCIES,
                     "topics": TOPIC_MODELING_DEPENDENCIES,