diff --git a/poetry.lock b/poetry.lock
index 3f258682..067fee31 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -242,13 +242,13 @@ dev = ["flake8", "markdown", "twine", "wheel"]
 
 [[package]]
 name = "griffe"
-version = "0.48.0"
+version = "1.5.1"
 description = "Signatures for entire Python programs. Extract the structure, the frame, the skeleton of your project, to generate API documentation or find breaking changes in your API."
 optional = false
-python-versions = ">=3.8"
+python-versions = ">=3.9"
 files = [
-    {file = "griffe-0.48.0-py3-none-any.whl", hash = "sha256:f944c6ff7bd31cf76f264adcd6ab8f3d00a2f972ae5cc8db2d7b6dcffeff65a2"},
-    {file = "griffe-0.48.0.tar.gz", hash = "sha256:f099461c02f016b6be4af386d5aa92b01fb4efe6c1c2c360dda9a5d0a863bb7f"},
+    {file = "griffe-1.5.1-py3-none-any.whl", hash = "sha256:ad6a7980f8c424c9102160aafa3bcdf799df0e75f7829d75af9ee5aef656f860"},
+    {file = "griffe-1.5.1.tar.gz", hash = "sha256:72964f93e08c553257706d6cd2c42d1c172213feb48b2be386f243380b405d4b"},
 ]
 
 [package.dependencies]
@@ -981,4 +981,4 @@ watchmedo = ["PyYAML (>=3.10)"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "5d320818255eb1095176894ba210c5517fd6528950c648c73b80eee9806e64d8"
+content-hash = "86a54c828c4c61aa0dad24f8d0dd63ccf79af29b6256813a873fbdb521368476"
diff --git a/pyproject.toml b/pyproject.toml
index 4f58c35c..6737eeb8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ safe-ds-stubgen = "safeds_stubgen.main:main"
 [tool.poetry.dependencies]
 python = "^3.11"
 mypy = "^1.6.1"
-griffe = ">=0.47.0,<0.49"
+griffe = ">=0.47.0,<1.6"
 
 [tool.poetry.group.dev.dependencies]
 pytest = ">=7.4.3,<9.0.0"