diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index d4241ee3..16580337 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -8,7 +8,7 @@ repos:
     exclude: README.md
 
 - repo: https://github.com/ambv/black
-  rev: 21.11b0
+  rev: 21.11b1
   hooks:
   - id: black
     name: Blacken
diff --git a/requirements.txt b/requirements.txt
index 0fb61922..f2d3d3f7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ cachecontrol[filecache]~=0.12.10
 ipywidgets~=7.6
 ipywidgets-extended>=1.1.1,<2
 nglview~=3.0
-optimade~=0.16.6
+optimade~=0.16.7
 pandas~=1.3
 requests~=2.26
 setuptools>=49.4
diff --git a/requirements/requirements_base.txt b/requirements/requirements_base.txt
index 01e4a4b8..9d2c8449 100644
--- a/requirements/requirements_base.txt
+++ b/requirements/requirements_base.txt
@@ -3,7 +3,7 @@ cachecontrol[filecache]~=0.12.10
 ipywidgets~=7.6
 ipywidgets-extended>=1.1.1,<2
 nglview~=3.0
-optimade~=0.16.6
+optimade~=0.16.7
 pandas~=1.3
 requests~=2.26
 widget_periodictable~=3.0