diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 9d8b368..b65aeed 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -22,7 +22,7 @@ repos:
     rev: v1.7.5
     hooks:
       - id: docformatter
-        additional_dependencies: [tomli]
+        additional_dependencies: [tomli, charset-normalizer]
         args: [--in-place, --config, ./pyproject.toml]
   - repo: https://github.com/asottile/pyupgrade
     rev: v3.15.0
@@ -39,6 +39,8 @@ repos:
     rev: 1.16.0
     hooks:
       - id: blacken-docs
+        additional_dependencies:
+          - platformdirs
   - repo: https://github.com/pycqa/pydocstyle
     rev: 6.3.0
     hooks: