diff --git a/pyproject.toml b/pyproject.toml
index 3af60f0..421a95e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ authors = [{ name = "BreachDirect" }]
 keywords = ["api", "contract-testing", "stellar", "ci", "testing"]
 dependencies = [
     "httpx>=0.27,<1.0",
-    "PyYAML>=6.0,<7.0",
+    "PyYAML>=6.0.3,<7.0",
 ]
 
 [project.optional-dependencies]