diff --git a/appveyor.yml b/appveyor.yml
index 56ef02d..9c8c6d9 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -24,7 +24,7 @@ init:
 
 # called after repo clone
 install: 
-  - choco install swig
+  - python -m pip install -r tools\requirements-appveyor.txt
 
 # called before build
 before_build:
@@ -41,7 +41,6 @@ build_script:
 
 before_test:
   - cd %EPANET_HOME%
-  - python -m pip install -r tools\requirements.txt
   - tools\gen-config.cmd %EPANET_HOME%\%BUILD_HOME%\bin\Release > %TEST_HOME%\apps\epanet-%APPVEYOR_REPO_COMMIT%.json 
 
 # run custom test script
@@ -52,7 +51,3 @@ test_script:
   # run regression tests
   - cd %EPANET_HOME%
   - tools\run-nrtest.cmd %NRTEST_SCRIPT% %TEST_HOME% %APPVEYOR_REPO_COMMIT%
-
-cache:
-  - C:\ProgramData\chocolatey\bin -> appveyor.yml
-  - C:\ProgramData\chocolatey\lib -> appveyor.yml
diff --git a/tools/epanet-output/setup.py b/tools/epanet-output/setup.py
index d1ce65d..92881ce 100644
--- a/tools/epanet-output/setup.py
+++ b/tools/epanet-output/setup.py
@@ -22,7 +22,7 @@ except ImportError:
 
 setup(
     name = "epanet-output", 
-    version = "1.0",
+    version = "0.1.0-alpha",
     ext_modules = [
         Extension("_epanet_output",
             define_macros = [('epanet_output_EXPORTS', None)],
diff --git a/tools/nrtest-epanet/setup.py b/tools/nrtest-epanet/setup.py
index 0318ab2..897e621 100644
--- a/tools/nrtest-epanet/setup.py
+++ b/tools/nrtest-epanet/setup.py
@@ -24,7 +24,7 @@ entry_points = {
 
 setup(
     name='nrtest-epanet',
-    version='0.3.0',
+    version='0.4.0',
     description="EPANET extension for nrtest",
     
     author="Michael E. Tryby",
@@ -38,7 +38,7 @@ setup(
         'header_detail_footer>=2.3',
         'nrtest>=0.2.0',
         'numpy>=1.7.0',
-        'epanet_output>=0.4.0'
+        'epanet_output'
     ],
     keywords='nrtest_epanet'  
 )
diff --git a/tools/requirements-appveyor.txt b/tools/requirements-appveyor.txt
new file mode 100644
index 0000000..17a7f3c
--- /dev/null
+++ b/tools/requirements-appveyor.txt
@@ -0,0 +1,18 @@
+#
+# requirements.txt 
+#
+# Date Created: 10/10/2017
+# Author: Michael E. Tryby
+#         US EPA ORD/NRMRL
+#
+# Useful for configuring a python environment to run epanet-nrtestsuite. 
+#
+# command: 
+#  $ pip install --src build/packages -r tools/requirements.txt
+#
+
+nrtest>=0.2.3
+
+-f https://github.com/OpenWaterAnalytics/epanet-python/releases/download/v0.1.0-alpha/epanet_output-0.1.0a0-cp27-cp27m-win32.whl
+
+-e ./tools/nrtest-epanet