diff --git a/pyproject.toml b/pyproject.toml
index aff059b..7ea6105 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ version = "0.1.0"
 description = "Internal platform automation for WeakLink Labs"
 requires-python = ">=3.11"
 dependencies = [
-  "PyYAML>=6,<7",
+  "PyYAML>=6.0.3,<7",
 ]
 
 [project.optional-dependencies]