diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 841d49e..359872f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -32,6 +32,7 @@ jobs:
       - name: Install Poetry
         uses: snok/install-poetry@v1
         with:
+          version: 1.8.4
           virtualenvs-create: true
           virtualenvs-in-project: true
           installer-parallel: true
diff --git a/pyproject.toml b/pyproject.toml
index 7f4e7a4..c9a0386 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,12 +1,12 @@
 [build-system]
-requires = ["poetry-core"]
+requires = ["poetry-core>=1.9"]
 build-backend = "poetry.core.masonry.api"
 
 
 [tool.poetry]
 name = "django-eav2"
 description = "Entity-Attribute-Value storage for Django"
-version = "1.7.1"
+version = "1.8.4"
 license = "GNU Lesser General Public License (LGPL), Version 3"
 packages = [
   { include = "eav" }