diff --git a/libs/kotaemon/pyproject.toml b/libs/kotaemon/pyproject.toml
index ac099a0..039fb0e 100644
--- a/libs/kotaemon/pyproject.toml
+++ b/libs/kotaemon/pyproject.toml
@@ -50,7 +50,7 @@ dependencies = [
     "opentelemetry-exporter-otlp-proto-grpc>=1.25.0", # https://github.com/chroma-core/chroma/issues/2571
     "pandas>=2.2.2,<2.4",
     "plotly<6.0.0",
-    "PyMuPDF>=1.23,<=1.26.5",
+    "PyMuPDF>=1.23,<=1.26.6",
     "pylance",
     "python-decouple", # for theflow
     "python-docx>=1.1.0,<1.3",