diff --git a/.github/workflows/pr-checks.yaml b/.github/workflows/pr-checks.yaml
index d2628ac..18fc749 100644
--- a/.github/workflows/pr-checks.yaml
+++ b/.github/workflows/pr-checks.yaml
@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
-      - uses: astral-sh/setup-uv@e58605a9b6da7c637471fab8847a5e5a6b8df081 # v5
+      - uses: astral-sh/setup-uv@d4b2f3b6ecc6e67c4457f6d3e41ec42d3d0fcb86 # v5
         with:
           python-version: "3.13"
 
@@ -37,7 +37,7 @@ jobs:
     steps:
       - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
-      - uses: astral-sh/setup-uv@e58605a9b6da7c637471fab8847a5e5a6b8df081 # v5
+      - uses: astral-sh/setup-uv@d4b2f3b6ecc6e67c4457f6d3e41ec42d3d0fcb86 # v5
         with:
           python-version: "3.13"
 
diff --git a/pyproject.toml b/pyproject.toml
index d7f4519..1e052c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,14 +3,14 @@ name = "mac2nix"
 version = "0.1.0"
 description = "Generate nix-darwin configurations from macOS system scans"
 readme = "README.md"
-requires-python = ">=3.13"
+requires-python = "==3.14.4"
 license = "MIT"
 dependencies = [
-    "click>=8.1",
-    "pydantic>=2.0",
-    "jinja2>=3.1",
-    "pyyaml>=6.0",
-    "rich>=13.0",
+    "click==8.3.1",
+    "pydantic==2.12.5",
+    "jinja2==3.1.6",
+    "pyyaml==6.0.3",
+    "rich==14.3.3",
 ]
 
 [project.scripts]