diff --git a/poetry.lock b/poetry.lock
index de116836..87f249b9 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -946,6 +946,14 @@ files = [
     {file = "mapbox_earcut-1.0.1-cp311-cp311-musllinux_1_1_x86_64.whl", hash = "sha256:9af9369266bf0ca32f4d401152217c46c699392513f22639c6b1be32bde9c1cc"},
     {file = "mapbox_earcut-1.0.1-cp311-cp311-win32.whl", hash = "sha256:ff9a13be4364625697b0e0e04ba6a0f77300148b871bba0a85bfa67e972e85c4"},
     {file = "mapbox_earcut-1.0.1-cp311-cp311-win_amd64.whl", hash = "sha256:5e736557539c74fa969e866889c2b0149fc12668f35e3ae33667d837ff2880d3"},
+    {file = "mapbox_earcut-1.0.1-cp312-cp312-macosx_10_9_x86_64.whl", hash = "sha256:4fe92174410e4120022393013705d77cb856ead5bdf6c81bec614a70df4feb5d"},
+    {file = "mapbox_earcut-1.0.1-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:082f70a865c6164a60af039aa1c377073901cf1f94fd37b1c5610dfbae2a7369"},
+    {file = "mapbox_earcut-1.0.1-cp312-cp312-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:43d268ece49d0c9e22cb4f92cd54c2cc64f71bf1c5e10800c189880d923e1292"},
+    {file = "mapbox_earcut-1.0.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:7748f1730fd36dd1fcf0809d8f872d7e1ddaa945f66a6a466ad37ef3c552ae93"},
+    {file = "mapbox_earcut-1.0.1-cp312-cp312-musllinux_1_1_i686.whl", hash = "sha256:5a82d10c8dec2a0bd9a6a6c90aca7044017c8dad79f7e209fd0667826f842325"},
+    {file = "mapbox_earcut-1.0.1-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:01b292588cd3f6bad7d76ee31c004ed1b557a92bbd9602a72d2be15513b755be"},
+    {file = "mapbox_earcut-1.0.1-cp312-cp312-win32.whl", hash = "sha256:fce236ddc3a56ea7260acc94601a832c260e6ac5619374bb2cec2e73e7414ff0"},
+    {file = "mapbox_earcut-1.0.1-cp312-cp312-win_amd64.whl", hash = "sha256:1ce86407353b4f09f5778c436518bbbc6f258f46c5736446f25074fe3d3a3bd8"},
     {file = "mapbox_earcut-1.0.1-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:aa6111a18efacb79c081f3d3cdd7d25d0585bb0e9f28896b207ebe1d56efa40e"},
     {file = "mapbox_earcut-1.0.1-cp36-cp36m-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:f2911829d1e6e5e1282fbe2840fadf578f606580f02ed436346c2d51c92f810b"},
     {file = "mapbox_earcut-1.0.1-cp36-cp36m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:01ff909a7b8405a923abedd701b53633c997cc2b5dc9d5b78462f51c25ec2c33"},
@@ -1576,11 +1584,7 @@ files = [
 [package.dependencies]
 astroid = ">=3.1.0,<=3.2.0-dev0"
 colorama = {version = ">=0.4.5", markers = "sys_platform == \"win32\""}
-dill = [
-    {version = ">=0.2", markers = "python_version < \"3.11\""},
-    {version = ">=0.3.7", markers = "python_version >= \"3.12\""},
-    {version = ">=0.3.6", markers = "python_version >= \"3.11\" and python_version < \"3.12\""},
-]
+dill = {version = ">=0.2", markers = "python_version < \"3.11\""}
 isort = ">=4.2.5,<5.13.0 || >5.13.0,<6"
 mccabe = ">=0.6,<0.8"
 platformdirs = ">=2.2.0"
@@ -1840,6 +1844,7 @@ files = [
     {file = "PyYAML-6.0.1-cp311-cp311-win_amd64.whl", hash = "sha256:bf07ee2fef7014951eeb99f56f39c9bb4af143d8aa3c21b1677805985307da34"},
     {file = "PyYAML-6.0.1-cp312-cp312-macosx_10_9_x86_64.whl", hash = "sha256:855fb52b0dc35af121542a76b9a84f8d1cd886ea97c84703eaa6d88e37a2ad28"},
     {file = "PyYAML-6.0.1-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:40df9b996c2b73138957fe23a16a4f0ba614f4c0efce1e9406a184b6d07fa3a9"},
+    {file = "PyYAML-6.0.1-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:a08c6f0fe150303c1c6b71ebcd7213c2858041a7e01975da3a99aed1e7a378ef"},
     {file = "PyYAML-6.0.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6c22bec3fbe2524cde73d7ada88f6566758a8f7227bfbf93a408a9d86bcc12a0"},
     {file = "PyYAML-6.0.1-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:8d4e9c88387b0f5c7d5f281e55304de64cf7f9c0021a3525bd3b1c542da3b0e4"},
     {file = "PyYAML-6.0.1-cp312-cp312-win32.whl", hash = "sha256:d483d2cdf104e7c9fa60c544d92981f12ad66a457afae824d146093b8c294c54"},
@@ -2644,5 +2649,5 @@ keyboard = []
 
 [metadata]
 lock-version = "2.0"
-python-versions = "^3.8"
-content-hash = "d079bea33e5975ca9ee2abf5e1d9ea131f27f75511d1dc0234bfdb85af279389"
+python-versions = "^3.8,<3.11"
+content-hash = "a698026d911569871447ebda6c72f6df73f556a4ace60d6e046a406820953bf6"
diff --git a/pyproject.toml b/pyproject.toml
index a40cb094..d9129f60 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "urdfenvs"
-version = "0.9.14"
+version = "0.9.15"
 description = "Simple simulation environment for robots, based on the urdf files."
 authors = ["Max Spahn <m.spahn@tudelft.nl>"]
 maintainers = [
@@ -15,7 +15,7 @@ repository = "https://github.com/maxspahn/gym_envs_urdf"
 keywords = ["robotics", "motion-planning", "simulation"]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.8,<3.11"
 pybullet = "^3.2.1"
 numpy = "^1.19,<1.24"
 yourdfpy = "^0.0.56"