diff --git a/requirements.txt b/requirements.txt
index 499cb32a..50103906 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ cffi==1.15.1
 chardet==3.0.4
 ckan==2.9.8
 ckanext-datajson==0.1.15
-ckanext-dcat-usmetadata==0.3.8
+ckanext-dcat-usmetadata==0.3.9
 ckanext-envvars==0.0.2
 ckanext-googleanalyticsbasic==0.2.0
 ckanext-s3filestore @ git+https://github.com/keitaroinc/ckanext-s3filestore.git@8e815a47cd902884ff93fcff96d90349fb6c5459