diff --git a/hatch.toml b/hatch.toml
index 592ca52..c675487 100644
--- a/hatch.toml
+++ b/hatch.toml
@@ -8,7 +8,7 @@ packages = ["src/pyawaitable"]
 only-include = ["src/pyawaitable", "include/", "src/_pyawaitable"]
 
 [build.targets.wheel.hooks.autorun]
-dependencies = ["hatch-autorun"]
+dependencies = ["hatch-autorun~=1.1"]
 code = """
 import pyawaitable
 import os
@@ -18,10 +18,10 @@ os.environ['PYAWAITABLE_INCLUDE'] = pyawaitable.include(suppress_error=True)
 
 [build.hooks.custom]
 enable-by-default = true
-dependencies = ["typing_extensions"]
+dependencies = ["typing_extensions~=4.14"]
 
 [envs.hatch-test]
-dependencies = ["pyawaitable_test @ {root:uri}/tests", "pytest"]
+dependencies = ["pyawaitable_test @ {root:uri}/tests", "pytest~=8.4"]
 default-args = ["--verbose"]
 
 [[envs.hatch-test.matrix]]
diff --git a/pyproject.toml b/pyproject.toml
index ad37d80..97aac25 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["hatch", "hatchling"]
+requires = ["hatch~=1.14", "hatchling~=1.27"]
 build-backend = "hatchling.build"
 
 [project]
diff --git a/requirements.txt b/requirements.txt
index 09080a5..38d94eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 # Requirements for Netlify
-mkdocs
-pymdown-extensions
\ No newline at end of file
+mkdocs~=1.6
+pymdown-extensions~=10.15