diff --git a/ci/appveyor-cpp-build.bat b/ci/appveyor-cpp-build.bat
index 387dd55d18..6681f5673f 100644
--- a/ci/appveyor-cpp-build.bat
+++ b/ci/appveyor-cpp-build.bat
@@ -97,7 +97,7 @@ if "%JOB%" == "Build_Debug" (
conda create -n arrow -q -y ^
python=%PYTHON% ^
- six pytest setuptools numpy pandas cython hypothesis ^
+ --file=ci\conda_env_python.yml ^
thrift-cpp=0.11.0 boost-cpp ^
-c conda-forge
diff --git a/ci/conda_env_python.yml b/ci/conda_env_python.yml
index b51f5c32f3..0a5b57167f 100644
--- a/ci/conda_env_python.yml
+++ b/ci/conda_env_python.yml
@@ -18,8 +18,9 @@
cython
cloudpickle
hypothesis
-numpy
+numpy=1.15.4
pandas
pytest
setuptools
setuptools_scm
+six
\ No newline at end of file
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