diff --git a/docker/multiversion-test/Dockerfile b/docker/multiversion-test/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..02768e1b81fc7b12b4bb51c233948b639e4508df
--- /dev/null
+++ b/docker/multiversion-test/Dockerfile
@@ -0,0 +1,59 @@
+# Dockerfile to test Autosubmit API in different Python versions
+
+# Test Python 3.9
+FROM python:3.9-slim-bullseye as test39
+
+ARG AUTOSUBMIT_ROOT_DIR=/app/autosubmit/
+WORKDIR "${AUTOSUBMIT_ROOT_DIR}"
+
+RUN apt-get update && apt-get install -y git graphviz gcc lsof
+
+# Install Autosubmit API 
+ARG GIT_REF="main"
+RUN git clone https://earth.bsc.es/gitlab/es/autosubmit-api.git . && \
+    git checkout ${GIT_REF}
+RUN pip install -e .[all]
+
+RUN pytest
+
+# Test Python 3.10
+FROM python:3.10-slim-bullseye as test310
+
+ARG AUTOSUBMIT_ROOT_DIR=/app/autosubmit/
+WORKDIR "${AUTOSUBMIT_ROOT_DIR}"
+
+RUN apt-get update && apt-get install -y git graphviz gcc lsof
+
+COPY --from=test39 /app/autosubmit/ /app/autosubmit/
+
+RUN pip install -e .[all]
+
+RUN pytest
+
+# Test Python 3.11
+FROM python:3.11-slim-bullseye as test311
+
+ARG AUTOSUBMIT_ROOT_DIR=/app/autosubmit/
+WORKDIR "${AUTOSUBMIT_ROOT_DIR}"
+
+RUN apt-get update && apt-get install -y git graphviz gcc lsof
+
+COPY --from=test310 /app/autosubmit/ /app/autosubmit/
+
+RUN pip install -e .[all]
+
+RUN pytest
+
+# Test Python 3.12
+FROM python:3.12-slim-bullseye as test312
+
+ARG AUTOSUBMIT_ROOT_DIR=/app/autosubmit/
+WORKDIR "${AUTOSUBMIT_ROOT_DIR}"
+
+RUN apt-get update && apt-get install -y git graphviz gcc lsof
+
+COPY --from=test311 /app/autosubmit/ /app/autosubmit/
+
+RUN pip install -e .[all]
+
+RUN pytest
\ No newline at end of file
diff --git a/docker/multiversion-test/test.sh b/docker/multiversion-test/test.sh
new file mode 100755
index 0000000000000000000000000000000000000000..9168c76097014eb6e9e4f3cf82f373bafed09af2
--- /dev/null
+++ b/docker/multiversion-test/test.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+# Build the docker image and then remove it
+
+docker build -t multiversion-test . && docker rmi multiversion-test
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 272f191830b998a4be610fd0c718e9f8624475cd..7ab919bf27719a5240b7eae838d56af1b083314b 100644
--- a/setup.py
+++ b/setup.py
@@ -29,14 +29,14 @@ install_requires = [
     "portalocker~=2.6.0",
     "networkx<=2.6.3",
     "scipy~=1.11.4",
-    "python-dotenv",
+    "python-dotenv~=1.0.1",
     "autosubmitconfigparser>=1.0.65",
     "autosubmit>=3.13",
-    "Flask-APScheduler",
-    "gunicorn",
+    "Flask-APScheduler~=1.13.1",
+    "gunicorn~=22.0.0",
     "pydantic~=2.5.2",
     "SQLAlchemy~=2.0.23",
-    "python-cas>=1.6.0"
+    "python-cas~=1.6.0"
 ]
 
 # Test dependencies