diff --git a/pixl_core/pyproject.toml b/pixl_core/pyproject.toml
index aecd4c1e..0265a55a 100644
--- a/pixl_core/pyproject.toml
+++ b/pixl_core/pyproject.toml
@@ -11,7 +11,7 @@ dependencies = [
     "azure-identity==1.16.1",
     "azure-keyvault==4.2.0",
     "fastapi==0.112.0",
-    "jsonpickle==3.4.2",
+    "jsonpickle==4.0.0",
     "loguru==0.7.2",
     "pandas==2.2.2",
     "pika==1.3.2",