diff --git a/setup.py b/setup.py
index 8064bd11..fa35a096 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 # We don't declare our dependency on transformers here because we build with
 # different packages for different variants
 
-VERSION = "0.4.0.dev0"
+VERSION = "0.4.1"
 
 # Ubuntu packages
 # libsndfile1-dev: torchaudio requires the development version of the libsndfile package which can be installed via a system package manager. On Ubuntu it can be installed as follows: apt install libsndfile1-dev
diff --git a/src/huggingface_inference_toolkit/serialization/base.py b/src/huggingface_inference_toolkit/serialization/base.py
index dc7d6839..8be40173 100644
--- a/src/huggingface_inference_toolkit/serialization/base.py
+++ b/src/huggingface_inference_toolkit/serialization/base.py
@@ -4,6 +4,7 @@
 
 content_type_mapping = {
     "application/json": Jsoner,
+    "application/json; charset=UTF-8": Jsoner,
     "text/csv": None,
     "text/plain": None,
     # image types