diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b5bc8c84..d99dd51e 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: 21.9b0
+  rev: 21.10b0
   hooks:
   - id: black
     name: Blacken
diff --git a/requirements.txt b/requirements.txt
index 060ef550..78c689f4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 appdirs~=1.4.4
 ase~=3.22
-cachecontrol[filecache]~=0.12.6
+cachecontrol[filecache]~=0.12.8
 ipywidgets~=7.6
 ipywidgets-extended>=1.1.1,<2
 nglview~=3.0
diff --git a/requirements/requirements_base.txt b/requirements/requirements_base.txt
index ffed4dc5..3c3cd700 100644
--- a/requirements/requirements_base.txt
+++ b/requirements/requirements_base.txt
@@ -1,5 +1,5 @@
 appdirs~=1.4.4
-cachecontrol[filecache]~=0.12.6
+cachecontrol[filecache]~=0.12.8
 ipywidgets~=7.6
 ipywidgets-extended>=1.1.1,<2
 nglview~=3.0