diff --git a/requirements.txt b/requirements.txt
index e26c9c8f6..5727e70c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,5 +21,8 @@ networkx==1.11 # pyup: ignore
 tabulate==0.8.2
 coinmarketcap==5.0.3
 
+# Required for hyperopt
+scikit-optimize=0.5.2
+
 # Required for plotting data
 #plotly==2.7.0
diff --git a/setup.py b/setup.py
index ee6b7ae38..cd0574fa2 100644
--- a/setup.py
+++ b/setup.py
@@ -36,6 +36,7 @@ setup(name='freqtrade',
           'tabulate',
           'cachetools',
           'coinmarketcap',
+          'scikit-optimize',
       ],
       include_package_data=True,
       zip_safe=False,