diff --git a/docs/dev/index.md b/docs/dev/index.md
index c884149..b482c1d 100644
--- a/docs/dev/index.md
+++ b/docs/dev/index.md
@@ -41,7 +41,6 @@ To set up your development environment, follow these steps:
 1. Set up the development environment with these commands:
    ```
    conda env create -n conda-auth-dev -f environment.yml
-   conda install -n conda-auth-dev --file requirements-dev.txt
    ```
 2. Next, you will want to activate the environment:
    ```
diff --git a/environment.yml b/environment.yml
index 67c2ab2..23d537c 100644
--- a/environment.yml
+++ b/environment.yml
@@ -2,8 +2,17 @@ name: conda-auth-dev
 channels:
   - conda-forge
 dependencies:
-  - python>=3.8
   - conda>=23.9.0
+  - darker
+  - flake8
   - keyring
+  - keyrings.alt
+  - mypy
+  - pre-commit
+  - pytest
+  - pytest-cov
+  - pytest-mock
+  - python>=3.8
+  - pyupgrade
   - requests
   - "ruamel.yaml"
diff --git a/pyproject.toml b/pyproject.toml
index 8c882dc..05b2bfd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ dependencies = [
   "conda",
   "keyring",
   "requests",
-  "ruamel.yaml<0.18",
+  "ruamel.yaml",
 ]
 
 [project.entry-points.conda]
diff --git a/requirements-dev.txt b/requirements-dev.txt
deleted file mode 100644
index fa293f7..0000000
--- a/requirements-dev.txt
+++ /dev/null
@@ -1,9 +0,0 @@
-darker
-flake8
-keyrings.alt
-mypy
-pyupgrade
-pytest
-pytest-cov
-pytest-mock
-pre-commit