diff --git a/pyproject.toml b/pyproject.toml
index 4d86c18..dbe1882 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,7 +56,7 @@ marker = [
   "marker-pdf[full]~=1.8.5",
 ]
 docling = [
-  "docling~=2.47.0",
+  "docling>=2.47,<2.56",
   "rapidocr~=3.3.1",
   "onnxruntime",
   "rapidocr_onnxruntime"
diff --git a/uv.lock b/uv.lock
index 2b7d222..b50e8fe 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1217,7 +1217,7 @@ dev = [
     { name = "ty", specifier = "~=0.0.1a19" },
 ]
 docling = [
-    { name = "docling", specifier = "~=2.47.0" },
+    { name = "docling", specifier = ">=2.47,<2.56" },
     { name = "onnxruntime" },
     { name = "rapidocr", specifier = "~=3.3.1" },
     { name = "rapidocr-onnxruntime" },