diff --git a/opensfm/context.py b/opensfm/context.py
index 891825435..c56fb9930 100644
--- a/opensfm/context.py
+++ b/opensfm/context.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 import logging
 import os
-import resource
+import psutil
 import sys
 
 import cv2
@@ -78,4 +78,5 @@ def processes_that_fit_in_memory(desired, per_process):
 
 
 def current_memory_usage():
-    return resource.getrusage(resource.RUSAGE_SELF).ru_maxrss * rusage_unit
+    return psutil.Process(os.getpid()).memory_info().rss
+    #return resource.getrusage(resource.RUSAGE_SELF).ru_maxrss * rusage_unit
diff --git a/requirements.txt b/requirements.txt
index d89fb1090..216eec713 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,16 +1,17 @@
-cloudpickle==0.4.0
-exifread==2.1.2
-gpxpy==1.1.2
-joblib==0.13.2
-loky==1.2.1
-networkx==1.11
-numpy
-Pillow==6.2.0
-pyproj==1.9.5.1
-pytest==3.0.7
-python-dateutil==2.6.0
-pyyaml==5.1
-repoze.lru==0.7
-scipy
-six
-xmltodict==0.10.2
+cloudpickle==0.4.0
+exifread==2.1.2
+gpxpy==1.1.2
+joblib==0.13.2
+loky==1.2.1
+networkx==1.11
+numpy
+Pillow==6.2.0
+pyproj==1.9.5.1
+pytest==3.0.7
+python-dateutil==2.6.0
+pyyaml==5.1
+repoze.lru==0.7
+scipy
+six
+xmltodict==0.10.2
+psutil
\ No newline at end of file