diff --git a/pkgs/python-packages.nix b/pkgs/python-packages.nix
--- a/pkgs/python-packages.nix
+++ b/pkgs/python-packages.nix
@@ -547,11 +547,11 @@ self: super: {
     };
   };
   "psutil" = super.buildPythonPackage {
-    name = "psutil-5.6.3";
+    name = "psutil-5.6.5";
     doCheck = false;
     src = fetchurl {
-      url = "https://files.pythonhosted.org/packages/1c/ca/5b8c1fe032a458c2c4bcbe509d1401dca9dda35c7fc46b36bb81c2834740/psutil-5.6.3.tar.gz";
-      sha256 = "1wv31zly44qj0rp2acg58xbnc7bf6ffyadasq093l455q30qafl6";
+      url = "https://files.pythonhosted.org/packages/03/9a/95c4b3d0424426e5fd94b5302ff74cea44d5d4f53466e1228ac8e73e14b4/psutil-5.6.5.tar.gz";
+      sha256 = "0isil5jxwwd8awz54qk28rpgjg43i5l6yl70g40vxwa4r4m56lfh";
     };
     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal ];
diff --git a/requirements_pinned.txt b/requirements_pinned.txt
--- a/requirements_pinned.txt
+++ b/requirements_pinned.txt
@@ -6,7 +6,7 @@ contextlib2==0.6.0
 hupper==1.8.1
 pathlib2==2.3.5
 pygments==2.4.2
-psutil==5.6.3
+psutil==5.6.5
 pluggy==0.13.0
 scandir==1.10.0
 setproctitle==1.1.10