diff --git a/readthedocs.yml b/readthedocs.yml
index cc7fe8799..cfb42bb61 100644
--- a/readthedocs.yml
+++ b/readthedocs.yml
@@ -1,5 +1,10 @@
-conda:
-    file: rtd-environment.yml
+# .readthedocs.yml
+
+build:
+  image: latest
+
 python:
-    version: 3.5
-    setup_py_install: true
+  version: 3.6
+  setup_py_install: true
+
+requirements_file: pip-requirements.txt
\ No newline at end of file
diff --git a/rtd-environment.yml b/rtd-environment.yml
deleted file mode 100644
index aa44dd32b..000000000
--- a/rtd-environment.yml
+++ /dev/null
@@ -1,15 +0,0 @@
-name: rtd
-dependencies:
-- python=3.5
-- sphinx
-- ipython
-- numpy
-- numpydoc
-- scipy
-- pandas
-- statsmodels
-- sympy
-- numba
-- requests
-- sphinx_rtd_theme
-- matplotlib