diff --git a/config/default.toml b/config/default.toml
index 70bc412c10737659f1d3119dea5e6b5656200404..dc79b1f5599914c48bda1e10187f0fa8021b5ef2 100644
--- a/config/default.toml
+++ b/config/default.toml
@@ -28,7 +28,7 @@ log_level = 'debug'
 log_output = 'stdout'
 
 # max image size to allow uploading and proxying, in bytes
-max_image_size = 10000000 # 10mb
+max_image_size = 15000000 # 15mb
 
 # redis db used for ratelimiting uploads
 # redis_url = 'redis://localhost'