diff --git a/Dockerfile b/Dockerfile
index e393b433..6ad54fc9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,10 +8,10 @@ COPY mozci /src/mozci/
 # Run in a single step to get a small image
 RUN apk add --virtual build gcc libffi-dev musl-dev postgresql-dev && \
   # Setup poetry through pip
-  pip install --no-cache-dir poetry==1.8.5 && \
+  pip install --no-cache-dir poetry==2.1.1 && \
   # Install mozci with poetry
   poetry config virtualenvs.create false && \
-  poetry install --no-dev --no-interaction --no-ansi && \
+  poetry install --without dev --no-interaction --no-ansi && \
   # Cleanup build dependencies
   pip uninstall -y poetry && \
   apk del build && \
diff --git a/pyproject.toml b/pyproject.toml
index 14d26025..78a1e009 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,5 +50,5 @@ cache-redis = ["redis"]
 cache-seeded-file = ["zstandard"]
 
 [build-system]
-requires = ["poetry==1.8.5"]
-build-backend = "poetry.masonry.api"
+requires = ["poetry-core==2.1.1"]
+build-backend = "poetry.core.masonry.api"
diff --git a/tox.ini b/tox.ini
index 549ac0b9..cde2e4b2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,7 +5,7 @@ envlist = py310,pre-commit
 [testenv]
 envdir = {toxworkdir}/env
 deps =
-    poetry == 1.8.5
+    poetry == 2.1.1
 passenv = TRAVIS_EVENT_TYPE
 setenv =
     integration: TRAVIS_EVENT_TYPE = cron