diff --git a/pyproject.toml b/pyproject.toml
index 69320e9..6efc24b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ dependencies = [ "httpx<1,>=0.21.3", "python-dateutil>=2.8.1" ]
 optional-dependencies.all = [ "webdav4[fsspec,http2]" ]
 optional-dependencies.dev = [ "webdav4[docs,fsspec,http2,qa,tests]" ]
 optional-dependencies.docs = [
-  "furo==2024.8.6; python_version=='3.8'",
+  "furo==2025.12.19; python_version=='3.8'",
   "furo==2025.12.19; python_version>='3.9'",
   "myst-parser>=3,<6",
   "sphinx>=7,<10",
@@ -36,7 +36,7 @@ optional-dependencies.docs = [
 optional-dependencies.fsspec = [ "fsspec>=2021.7" ]
 optional-dependencies.http2 = [ "httpx[http2]<1,>=0.20" ]
 optional-dependencies.qa = [
-  "mypy==1.14; python_version=='3.8'",
+  "mypy==1.19.1; python_version=='3.8'",
   "mypy==1.19.1; python_version>='3.9'",
   "pre-commit",
   "types-colorama",