diff --git a/.gitignore b/.gitignore
index 36b45f2..4685365 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,7 +10,9 @@ syntax: glob
 __pycache__/
 *.py[co]
 .pytest_cache
-venv/
+venv_pEpACIDgen/
+venv_lib_test/
+venv_synth_shed/
 *.egg-info/
 *.egg-link
 *.egg
diff --git a/Makefile b/Makefile
index 7522ced..e50f05e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-VENV_DIR = ./venv
+VENV_DIR = ./venv_pEpACIDgen
 BUILD_DIR = ./build
 DIST_DIR = ./dist
 PYTHON_ARTIFACTS += ./.eggs
diff --git a/examples/ext/lib_test/Makefile.conf b/examples/ext/lib_test/Makefile.conf
index e786f8d..c6919e7 100644
--- a/examples/ext/lib_test/Makefile.conf
+++ b/examples/ext/lib_test/Makefile.conf
@@ -7,4 +7,4 @@ BUILD_INPLACE = ./lib_test/lib_test.cpython-38-darwin.so
 PYTHON_ARTIFACTS += ./.eggs
 PYTHON_ARTIFACTS += ./lib_test.egg-info
 PYTHON_ARTIFACTS += ./.pytest_cache
-VENV_DIR = ./venv
+VENV_DIR = ./venv_lib_test
diff --git a/examples/ext/lib_test/setup.py b/examples/ext/lib_test/setup.py
index 89c2d3b..0c945de 100755
--- a/examples/ext/lib_test/setup.py
+++ b/examples/ext/lib_test/setup.py
@@ -9,7 +9,7 @@ ext_modules = [
         ["lib_test/lib_test.cc"],
         include_dirs=['../../lib/lib_test',
                       '/opt/local/Library/Frameworks/Python.framework/Versions/3.8/include/python3.8',
-                      'venv/lib/python3.8/site-packages/pybind11/include'],
+                      'venv_lib_test/lib/python3.8/site-packages/pybind11/include'],
         extra_compile_args=['-std=c++11'],
         libraries=['lib_test'],
         library_dirs=['../../lib/lib_test/']
diff --git a/examples/ext/synth_shed/Makefile.conf b/examples/ext/synth_shed/Makefile.conf
index 9db454d..1a7b220 100644
--- a/examples/ext/synth_shed/Makefile.conf
+++ b/examples/ext/synth_shed/Makefile.conf
@@ -7,4 +7,4 @@ BUILD_INPLACE = ./synth_shed/syth_shed.cpython-38-darwin.so
 PYTHON_ARTIFACTS += ./.eggs
 PYTHON_ARTIFACTS += ./synth_shed.egg-info
 PYTHON_ARTIFACTS += ./.pytest_cache
-VENV_DIR = ./venv
+VENV_DIR = ./venv_synth_shed
diff --git a/examples/ext/synth_shed/setup.py b/examples/ext/synth_shed/setup.py
index a011bb6..fb83696 100755
--- a/examples/ext/synth_shed/setup.py
+++ b/examples/ext/synth_shed/setup.py
@@ -9,7 +9,7 @@ ext_modules = [
         ["synth_shed/synth_shed.cc"],
         include_dirs=['../../lib/lib_synth_shed',
                       '/opt/local/Library/Frameworks/Python.framework/Versions/3.8/include/python3.8',
-                      'venv/lib/python3.8/site-packages/pybind11/include'],
+                      'venv_synth_shed/lib/python3.8/site-packages/pybind11/include'],
         extra_compile_args=['-std=c++11'],
         libraries=['synth_shed'],
         library_dirs=['../../lib/lib_synth_shed/']