diff --git a/setup.py b/setup.py
index bf14fc7..980b832 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@ def load_about():
     packages=find_packages(exclude=["tests*"]),
     include_package_data=True,
     python_requires=">=3.8",
-    install_requires=["tutor>=19.0.0, <20"],
+    install_requires=["tutor>=20.0.0,<21"],
     entry_points={"tutor.plugin.v1": ["codejail = tutorcodejail.plugin"]},
     classifiers=[
         "Development Status :: 3 - Alpha",
diff --git a/tutorcodejail/__about__.py b/tutorcodejail/__about__.py
index 8ca2a2c..1e72e56 100644
--- a/tutorcodejail/__about__.py
+++ b/tutorcodejail/__about__.py
@@ -1,2 +1,2 @@
 """Helps you keep your cool when creating dozens of open edX and eduNEXT environments."""
-__version__ = "19.1.1"
+__version__ = "20.0.0"
diff --git a/tutorcodejail/plugin.py b/tutorcodejail/plugin.py
index c700080..2128935 100644
--- a/tutorcodejail/plugin.py
+++ b/tutorcodejail/plugin.py
@@ -33,7 +33,7 @@
         "MIN_REPLICAS": 1,
         "MAX_REPLICAS": 4,
         "AVG_CPU": 65,
-        "SERVICE_VERSION": "release/sumac.2",
+        "SERVICE_VERSION": "release/teak.1",
         "SERVICE_REPOSITORY": "https://github.com/edunext/codejailservice.git",
     },
     "overrides": {},
diff --git a/tutorcodejail/templates/codejail/build/codejail/Dockerfile b/tutorcodejail/templates/codejail/build/codejail/Dockerfile
index 868740a..6f037d6 100644
--- a/tutorcodejail/templates/codejail/build/codejail/Dockerfile
+++ b/tutorcodejail/templates/codejail/build/codejail/Dockerfile
@@ -55,8 +55,8 @@ ENV VIRTUAL_ENV=/sandbox/venv/
 WORKDIR /var/tmp
 RUN mkdir -p common/lib/
 
-ADD $EDX_PLATFORM_REPOSITORY#$EDX_PLATFORM_VERSION:requirements/edx-sandbox/releases .
-RUN pip3 install -r sumac.txt
+ADD $EDX_PLATFORM_REPOSITORY#$EDX_PLATFORM_VERSION:requirements/edx-sandbox/ .
+RUN pip3 install -r releases/teak.txt
 
 # Allows you to add extra pip requirements to your codejail sandbox.
 {% if CODEJAIL_EXTRA_PIP_REQUIREMENTS is defined %}