diff --git a/pyproject.toml b/pyproject.toml
index d222d124d..642f10c56 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,2 +1,2 @@
 [build-system]
-requires = ["setuptools", "wheel", "setuptools_dso>=2.7a1", "epicscorelibs>=7.0.3.99.2.0a1"]
+requires = ["setuptools", "wheel", "setuptools_dso>=2.11a2", "epicscorelibs>=7.0.7.99.1.0a2"]
diff --git a/setup.py b/setup.py
index e206878ad..5fc8c8261 100755
--- a/setup.py
+++ b/setup.py
@@ -733,7 +733,7 @@ def define_DSOS(self):
     #setup_requires = ['setuptools_dso'],
     # also need at runtime for DSO filename lookup
     install_requires = [
-        'setuptools_dso>=2.7a1',
+        'setuptools_dso>=2.11a2',
         epicscorelibs.version.abi_requires(),
     ],
     packages=['pvxslibs', 'pvxslibs.lib', 'pvxslibs.test'],