diff --git a/pyproject.toml b/pyproject.toml
index 1e267dc..d30fc1c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ dependencies = [
   "pydantic>=2",
   "typing-extensions>=4.7.1",
   "authlib>=1.3.2,<2.0.0",
-  "cryptography>=44.0.1,<45.0.0",
+  "cryptography>=44.0.1,<47.0.0",
   "requests>=2.32.4,<3.0.0",
 ]
 
@@ -34,11 +34,11 @@ dev = [
   "pytest-cov>=2.8.1",
   "tox>=3.9.0",
   "types-python-dateutil>=2.8.19.14",
-  "testcontainers==3.7.1",
-  "python-dotenv==1.1.1",
+  "testcontainers==4.13.3",
+  "python-dotenv==1.2.1",
   "ruff>=0.12.4",
-  "sphinx==7.4.7",
-  "fawltydeps==0.19.0",
+  "sphinx==8.1.3",
+  "fawltydeps==0.20.0",
   "tomlkit>=0.13.3",
   "ty>=0.0.4",
 ]