diff --git a/requirements.txt b/requirements.txt
index 7218bb9..0f26ae0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -98,7 +98,7 @@ odfpy==1.4.1
     # via flattentool
 openpyxl==3.1.2
     # via flattentool
-orjson==3.11.5
+orjson==3.11.6
     # via
     #   libcoveocds
     #   ocdskit
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 7eee72d..724a265 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -144,7 +144,7 @@ openpyxl==3.1.2
     # via
     #   -r requirements.txt
     #   flattentool
-orjson==3.11.5
+orjson==3.11.6
     # via
     #   -r requirements.txt
     #   libcoveocds