diff --git a/.github/workflows/ci-lint.yaml b/.github/workflows/ci-lint.yaml
index 2716850215..b1098e8607 100644
--- a/.github/workflows/ci-lint.yaml
+++ b/.github/workflows/ci-lint.yaml
@@ -27,10 +27,7 @@ jobs:
       - name: Install dependencies
         run: |
           curl -LsSf https://astral.sh/uv/install.sh | sh
-          uv tool install ruff
-          uv tool install black
-          uv tool install poethepoet
-          uv tool install ty==0.0.59
+          cat requirements-tools.txt | xargs -L1 uv tool install
 
       # black doesn't catch all syntax errors, so we check them explicitly.
       - name: Check syntax errors
diff --git a/pyproject.toml b/pyproject.toml
index 46f5a8c022..8a01875d93 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,13 +1,6 @@
 [project]
 name = "IfcOpenShell"
 version = "0.0.0"
-dependencies = [
-    "black==26.3.1",
-    "ruff==0.15.12",
-    "poethepoet",
-    "ty==0.0.59",
-    "gersemi==0.26.1",
-]
 
 [tool.black]
 line-length = 120
diff --git a/requirements-tools.txt b/requirements-tools.txt
new file mode 100644
index 0000000000..33a2505707
--- /dev/null
+++ b/requirements-tools.txt
@@ -0,0 +1,5 @@
+black==26.3.1
+ruff==0.15.12
+poethepoet
+ty==0.0.59
+gersemi==0.26.1