diff --git a/motus/downloadDB.py b/motus/downloadDB.py
index 558db93..5a834ab 100644
--- a/motus/downloadDB.py
+++ b/motus/downloadDB.py
@@ -17,10 +17,10 @@
 #
 # ============================================================================ #
 
-motus_version = "3.0.3"
-link_db = "https://zenodo.org/record/5140350/files/db_mOTU_v3.0.1.tar.gz"
-md5_db = "f4fd09fad9b311fb4f21383f6101bfc3"
-DOI_db = "10.5281/zenodo.5140350"
+motus_version = "3.1.0"
+link_db = "https://zenodo.org/record/7778108/files/db_mOTU_v3.1.0.tar.gz"
+md5_db = "f841c36150025af837f7a9a358c9a3c3"
+DOI_db = "10.5281/zenodo.7778108"
 
 
 
diff --git a/setup.py b/setup.py
index d386550..1fbd3fc 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@ def read(fname):
 long_description = read('README.md')
 setup(
     name = "motu-profiler",
-    version = "3.0.3",
+    version = "3.1.0",
     author = "Alessio Milanese",
     author_email = "alessiom@ethz.ch",
     description = ("Taxonomic profiling of metagenomes from diverse environments with mOTUs3"),
@@ -19,7 +19,7 @@ def read(fname):
     keywords = "bioinformatics metagenomics taxonomic profiling",
     url = "https://github.com/motu-tool/mOTUs",
     packages=['motus'],
-    download_url = "https://github.com/motu-tool/mOTUs/archive/refs/tags/3.0.3.tar.gz",
+    download_url = "https://github.com/motu-tool/mOTUs/archive/refs/tags/3.1.0.tar.gz",
     classifiers=[
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',