diff --git a/pkgs/python-packages.nix b/pkgs/python-packages.nix
--- a/pkgs/python-packages.nix
+++ b/pkgs/python-packages.nix
@@ -1155,11 +1155,11 @@ self: super: {
     };
   };
   "psutil" = super.buildPythonPackage {
-    name = "psutil-5.4.7";
+    name = "psutil-5.4.8";
     doCheck = false;
     src = fetchurl {
-      url = "https://files.pythonhosted.org/packages/7d/9a/1e93d41708f8ed2b564395edfa3389f0fd6d567597401c2e5e2775118d8b/psutil-5.4.7.tar.gz";
-      sha256 = "0fsgmvzwbdbszkwfnqhib8jcxm4w6zyhvlxlcda0rfm5cyqj4qsv";
+      url = "https://files.pythonhosted.org/packages/e3/58/0eae6e4466e5abf779d7e2b71fac7fba5f59e00ea36ddb3ed690419ccb0f/psutil-5.4.8.tar.gz";
+      sha256 = "1hyna338sml2cl1mfb2gs89np18z27mvyhmq4ifh22x07n7mq9kf";
     };
     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal ];
diff --git a/requirements.txt b/requirements.txt
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,7 +45,7 @@ pastedeploy==2.0.1
 pastescript==3.0.0
 pathlib2==2.3.3
 peppercorn==0.6
-psutil==5.4.7
+psutil==5.4.8
 py-bcrypt==0.4
 pycrypto==2.6.1
 pycurl==7.43.0.2