diff --git a/com.github.jeromerobert.pdfarranger.yaml b/com.github.jeromerobert.pdfarranger.yaml
index 5b8b609..56cfccd 100644
--- a/com.github.jeromerobert.pdfarranger.yaml
+++ b/com.github.jeromerobert.pdfarranger.yaml
@@ -1,7 +1,7 @@
 id: com.github.jeromerobert.pdfarranger
 runtime: org.gnome.Platform
 
-runtime-version: '48'
+runtime-version: '49'
 
 sdk: org.gnome.Sdk
 command: pdfarranger
diff --git a/python3-python-dateutil.yaml b/python3-python-dateutil.yaml
index cc1bb2d..bd0483f 100644
--- a/python3-python-dateutil.yaml
+++ b/python3-python-dateutil.yaml
@@ -12,3 +12,10 @@ sources:
       name: python_dateutil
       packagetype: bdist_wheel
       type: pypi
+  - type: file
+    url: https://files.pythonhosted.org/packages/b7/ce/149a00dd41f10bc29e5921b496af8b574d8413afcd5e30dfa0ed46c2cc5e/six-1.17.0-py2.py3-none-any.whl
+    sha256: 4721f391ed90541fddacab5acf947aa0d3dc7d27b2e1e8eda2be8970586c3274
+    x-checker-data:
+      name: six
+      packagetype: bdist_wheel
+      type: pypi