diff --git a/pyproject.toml b/pyproject.toml
index 2381c135..5cae9e44 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,7 +70,7 @@ keywords = [
 [tool.poetry.dependencies]
 python = "^3.8"
 packageurl-python = ">=0.11, <2"
-py-serializable =  "^1.1.1"
+py-serializable =  ">=1.1.1,<3.0.0"
 sortedcontainers = "^2.4.0"
 license-expression = "^30"
 jsonschema = { version = "^4.18", extras=['format'], optional=true }