diff --git a/pyproject.toml b/pyproject.toml
index ac455e1..5082a32 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ str2bool = "^1.1"
 urllib3 = "^2.2.2"
 
 [tool.poetry.dependencies.cmem-plugin-base]
-version = "^4.7.0"
+version = "^4.5.0"
 allow-prereleases = false
 
 [tool.poetry.group.dev.dependencies]