diff --git a/pyproject.toml b/pyproject.toml
index 72fef46..5259897 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -69,9 +69,9 @@ dev-flake8 = [
   "pydoclint == 0.8.3",
   "pydocstyle == 6.3.0",
 ]
-dev-formatting = ["black == 26.3.1", "isort == 8.0.1"]
+dev-formatting = ["black == 26.5.1", "isort == 8.0.1"]
 dev-mkdocs = [
-  "black == 26.3.1",
+  "black == 26.5.1",
   "Markdown == 3.10.2",
   "mike == 2.2.0",
   "mkdocs-gen-files == 0.6.1",
@@ -105,7 +105,7 @@ dev-pytest = [
   "pytest-asyncio == 1.3.0",
   "async-solipsism == 0.9",
   "time-machine == 3.2.0",
-  "hypothesis == 6.152.4",
+  "hypothesis == 6.155.1",
   "frequenz-client-dispatch[cli]",
 ]
 dev = [