diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 61b11cef..5fbef8f0 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -29,6 +29,9 @@ jobs:
         python-version: ${{ matrix.pyversion }}
         cache: poetry
 
+    - name: Run apt-get update on Ubuntu
+      run: sudo apt-get update
+
     - name: Install manim dependencies on Ubuntu
       run: |
         sudo apt-get install libcairo2-dev libpango1.0-dev ffmpeg freeglut3-dev
diff --git a/poetry.lock b/poetry.lock
index 82684c2d..3c59d2e0 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -4613,4 +4613,4 @@ sphinx-directive = ["docutils", "jinja2", "manim"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8.1,<3.12"
-content-hash = "2129681d5f4ec001507290ef7e2673b776f3ae65d506a0c669c8d4492afd4e3a"
+content-hash = "e2f1d5bb6271e1379678d01ead5b719544a8b3faabe868201ab8d3e25b9a5215"
diff --git a/pyproject.toml b/pyproject.toml
index 1c10cfa0..c6595c28 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -74,6 +74,9 @@ manim = ["manim"]
 manimgl = ["manimgl"]
 sphinx-directive = ["docutils", "jinja2", "manim"]
 
+[tool.poetry.group.dev]
+optional = true
+
 [tool.poetry.group.dev.dependencies]
 black = "^22.10.0"
 bump2version = "^1.0.1"
@@ -82,6 +85,9 @@ mypy = "^0.991"
 pre-commit = "^3.0.2"
 ruff = "^0.0.219"
 
+[tool.poetry.group.docs]
+optional = true
+
 [tool.poetry.group.docs.dependencies]
 furo = "^2023.5.20"
 ipykernel = "^6.25.1"
@@ -94,6 +100,9 @@ sphinx-click = "^4.4.0"
 sphinx-copybutton = "^0.5.1"
 sphinxext-opengraph = "^0.7.5"
 
+[tool.poetry.group.test]
+optional = true
+
 [tool.poetry.group.test.dependencies]
 manim = "^0.17.3"
 manimgl = "^1.6.1"