diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 68b128c..fe04c7f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ on:
 
 env:
   python-version: "3.9"
-  poetry-version: "1.8.3"
+  poetry-version: "1.8.4"
 
 jobs:
   test:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fda3e0f..c5cb31d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -7,7 +7,7 @@ on:
 
 env:
   python-version: "3.9"
-  poetry-version: "1.8.3"
+  poetry-version: "1.8.4"
 
 jobs:
   pypi-publish:
diff --git a/pyproject.toml b/pyproject.toml
index 3dc7e7c..51afd77 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,9 +13,6 @@ classifiers = [
     "Intended Audience :: Developers",
     "Topic :: Software Development :: Libraries :: Python Modules",
     "Operating System :: OS Independent",
-    # Remove classifier for Python 3.13 after next release of Poetry
-    # https://github.com/python-poetry/poetry-core/pull/747
-    "Programming Language :: Python :: 3.13",
 ]