diff --git a/requirements-py2.7.txt b/requirements-py2.7.txt
index 6a087d7..9c74ab8 100644
--- a/requirements-py2.7.txt
+++ b/requirements-py2.7.txt
@@ -10,7 +10,7 @@ certifi==2021.5.30
     # via requests
 chardet==4.0.0
     # via requests
-future==0.18.2
+future==0.18.3
     # via Cytomine-Python-Client (setup.py)
 idna==2.10
     # via requests
diff --git a/requirements.txt b/requirements.txt
index 79fa0ac..6e6c0ea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ certifi==2021.5.30
     # via requests
 charset-normalizer==2.0.12
     # via requests
-future==0.18.2
+future==0.18.3
     # via Cytomine-Python-Client (setup.py)
 idna==3.2
     # via requests