diff --git a/rancid-3.13-dnos10-psu-filter.patch b/rancid-3.13-dnos10-psu-filter.patch
new file mode 100644
index 0000000..565b2d9
--- /dev/null
+++ b/rancid-3.13-dnos10-psu-filter.patch
@@ -0,0 +1,34 @@
+diff -up rancid-3.13/lib/dnos10.pm.in.psu-filter rancid-3.13/lib/dnos10.pm.in
+--- rancid-3.13/lib/dnos10.pm.in.psu-filter	2020-10-02 12:48:05.000000000 -0400
++++ rancid-3.13/lib/dnos10.pm.in	2022-04-25 10:42:42.888049369 -0400
+@@ -122,19 +122,27 @@ REDO:	last if (/$prompt/);
+ 
+ 	if (/-- power supplies --/i) {
+ 	    ProcessHistory("COMMENTS","keysort","C1","! $_");
+-	    # PSU-ID  Status      Type    AirFlow   Fan  Speed(rpm)  Status
+-	    # ----------------------------------------------------------------
+-	    # 1       up          AC      REVERSE   1    25800       up         
+ 	    while (<$INPUT>) {
+ 		s/^\s+\015//g;
+ 		tr/\015//d;
+ 		last if (/$prompt/);
+ 		last if (/^-- /);		# next section
+ 		/^\s*$/ && next;
++		# PSU-ID  Status      Type    AirFlow   Fan  Speed(rpm)  Status
++		# ----------------------------------------------------------------
++		# 1       up          AC      REVERSE   1    25800       up         
+ 		if (/^(\d+\s+\w+\s+\w+\s+\w+\s+\d+\s+)(\d+)(\s+\w+)\s*$/) {
+ 		    my($sl) = length($2);
+                     my($fmt) = "%s%-". $sl ."s%s\n";
+                     $_ = sprintf($fmt, $1, "", $3);
++	        # PSU-ID  Status      Type    Power(w) AvgPower(w) AvgPowerStartTime AirFlow   Fan  Speed(rpm)  Status
++		# -------------------------------------------------------------------------------------------------------
++		# 1       up          AC      34       34          04/05/2022-20:47  REVERSE   1    3600        up         
++		} elsif (/^(\d+\s+\w+\s+\w+\s+)(\d+\s+\d+\s+[^ ]+\s+)(\w+\s+\d+\s+)(\d+)(\s+\w+)\s*$/) {
++		    my($pl) = length($2);
++		    my($sl) = length($4);
++                    my($fmt) = "%s%-". $pl ."s%s%-". $sl ."s%s\n";
++                    $_ = sprintf($fmt, $1, "", $3, "", $5);
+ 		}
+ 		ProcessHistory("COMMENTS","keysort","C1","! $_");
+ 	    }
diff --git a/rancid.spec b/rancid.spec
index 0026588..2354f54 100644
--- a/rancid.spec
+++ b/rancid.spec
@@ -1,6 +1,6 @@
 Name: rancid
 Version: 3.13
-Release: 6%{?dist}
+Release: 7%{?dist}
 Summary: Really Awesome New Cisco confIg Differ
 
 License: BSD with advertising
@@ -9,6 +9,7 @@ Source0: https://shrubbery.net/pub/%{name}/%{name}-%{version}.tar.gz
 Source1: %{name}.cron
 Patch0: %{name}-Makefile.patch
 Patch1: %{name}-configure-no-ping-test.patch
+Patch2: %{name}-3.13-dnos10-psu-filter.patch
 
 BuildRequires: make
 BuildRequires: gcc
@@ -40,6 +41,7 @@ including software and hardware (cards, serial numbers, etc) and uses CVS
 %setup -q -n %{name}-%{version}
 %patch0 -p1 -b .no-cflags
 %patch1 -p1 -b .no-ping-check
+%patch2 -p1 -b .dnos10-psu-filter
 
 %build
 %configure \
@@ -114,6 +116,10 @@ exit 0
 
 
 %changelog
+* Fri Mar 17 2023 Charles R. Anderson <cra@alum.wpi.edu> - 3.13-7
+- add patch to filter PSU output on Dell OS10 10.5.3.2
+  https://shrubbery.net/pipermail/rancid-discuss/2022-April/011186.html
+
 * Fri Mar 10 2023 Chris Adams <linux@cmadams.net> - 3.13-6
 - fix BASEDIR and LOGDIR (#2092029)