diff --git a/library/microchip_pic18mcu.dcm b/library/microchip_pic18mcu.dcm
index 1c4b5656..0a47d194 100644
--- a/library/microchip_pic18mcu.dcm
+++ b/library/microchip_pic18mcu.dcm
@@ -198,6 +198,12 @@ K Flash-Based 8-Bit Microcontroller XLP
 F http://ww1.microchip.com/downloads/en/DeviceDoc/39760d.pdf
 $ENDCMP
 #
+$CMP PIC18(L)F4458-I/ML
+D 24K Flash, 2K SRAM, 256 EEPROM, USB, 12-Bit A/D, nanoWatt XLP, QFN44
+K Flash-Based 8-Bit Microcontroller XLP
+F http://ww1.microchip.com/downloads/en/DeviceDoc/39887c.pdf
+$ENDCMP
+#
 $CMP PIC18(L)F4458-I/P
 D 24K Flash, 2K SRAM, 256 EEPROM, USB, 12-Bit A/D, nanoWatt XLP, DIP40
 K Flash-Based 8-Bit Microcontroller XLP
@@ -252,6 +258,12 @@ K Flash-Based 8-Bit Microcontroller XLP
 F http://ww1.microchip.com/downloads/en/DeviceDoc/39760d.pdf
 $ENDCMP
 #
+$CMP PIC18(L)F4553-I/ML
+D 32K Flash, 2K SRAM, 256 EEPROM, USB, 12-Bit A/D, nanoWatt XLP, QFN44
+K Flash-Based 8-Bit Microcontroller XLP
+F http://ww1.microchip.com/downloads/en/DeviceDoc/39887c.pdf
+$ENDCMP
+#
 $CMP PIC18(L)F4553-I/P
 D 32K Flash, 2K SRAM, 256 EEPROM, USB, 12-Bit A/D, nanoWatt XLP, DIP40
 K Flash-Based 8-Bit Microcontroller XLP
diff --git a/library/microchip_pic18mcu.lib b/library/microchip_pic18mcu.lib
index 612743da..38331afc 100644
--- a/library/microchip_pic18mcu.lib
+++ b/library/microchip_pic18mcu.lib
@@ -1098,6 +1098,66 @@ X SPP1/RD1 39 1200 0 150 L 50 50 1 1 B
 ENDDRAW
 ENDDEF
 #
+# PIC18(L)F4458-I/ML
+#
+DEF PIC18(L)F4458-I/ML U 0 50 Y Y 1 F N
+F0 "U" -1000 1300 50 H V C CNN
+F1 "PIC18(L)F4458-I/ML" 650 -1300 50 H V C CNN
+F2 "Housings_DFN_QFN:QFN-44-1EP_8x8mm_Pitch0.65mm" 0 200 50 H I C CIN
+F3 "" 0 -250 50 H V C CNN
+ALIAS PIC18(L)F4553-I/ML
+$FPLIST
+ *QFN?44*8x8mm*Pitch0.65mm*
+$ENDFPLIST
+DRAW
+S -1050 1250 1050 -1250 0 1 10 f
+X SDO/RX/DT/RC7 1 1200 500 150 L 50 50 1 1 B
+X SPP4/RD4 2 1200 -300 150 L 50 50 1 1 B
+X P1B/SPP5/RD5 3 1200 -400 150 L 50 50 1 1 B
+X P1C/SPP6/RD6 4 1200 -500 150 L 50 50 1 1 B
+X P1D/SPP7/RD7 5 1200 -600 150 L 50 50 1 1 B
+X VSS 6 -100 -1400 150 U 50 50 1 1 W
+X VDD 7 -300 1400 150 D 50 50 1 1 W
+X VDD 8 -200 1400 150 D 50 50 1 1 W
+X RB0/AN12/INT0/FLT0/SDI/SDA 9 -1200 100 150 R 50 50 1 1 B
+X RB1/AN10/INT1/SCK/SCL 10 -1200 0 150 R 50 50 1 1 B
+X RA1/AN1 20 -1200 1000 150 R 50 50 1 1 B
+X VSS 30 0 -1400 150 U 50 50 1 1 W
+X SPP2/RD2 50 1200 -100 150 L 50 50 1 1 B
+X RB2/AN8/INT2/VMO 11 -1200 -100 150 R 50 50 1 1 B
+X RA2/AN2/Vref-/CVref 21 -1200 900 150 R 50 50 1 1 B
+X VSS 31 100 -1400 150 U 50 50 1 1 W
+X SPP3/RD3 41 1200 -200 150 L 50 50 1 1 B
+X RB3/AN9/CCP2/VPO 12 -1200 -200 150 R 50 50 1 1 B
+X RA3/AN3/Vref+ 22 -1200 800 150 R 50 50 1 1 B
+X OSC1/CLKI 32 -1200 300 150 R 50 50 1 1 I
+X VM/D-/RC4 42 1200 800 150 L 50 50 1 1 B
+X NC 13 -1200 -1100 150 R 50 50 1 1 N N
+X RA4/T0CKI/C1OUT/RCV 23 -1200 700 150 R 50 50 1 1 B
+X RA6/OSC2/CLKO 33 -1200 500 150 R 50 50 1 1 B
+X VP/D+/RC5 43 1200 700 150 L 50 50 1 1 B
+X RB4/AN11/KBI0/CSSPP 14 -1200 -300 150 R 50 50 1 1 B
+X RA5/AN4/~SS~/HLVDIN/C2OUT 24 -1200 600 150 R 50 50 1 1 B
+X T1OSO/T13CKI/RC0 34 1200 1100 150 L 50 50 1 1 B
+X TX/CK/RC6 44 1200 600 150 L 50 50 1 1 B
+X RB5/KBI1/PGM 15 -1200 -400 150 R 50 50 1 1 B
+X CK1SPP/AN5/RE0 25 1200 -800 150 L 50 50 1 1 B
+X ~UOE~/CCP2/T1OSI/RC1 35 1200 1000 150 L 50 50 1 1 B
+X RB6/KBI2/PGC 16 -1200 -500 150 R 50 50 1 1 B
+X CK2SPP/AN6/RE1 26 1200 -900 150 L 50 50 1 1 B
+X P1A/CCP1/RC2 36 1200 900 150 L 50 50 1 1 B
+X RB7/KBI3/PGD 17 -1200 -600 150 R 50 50 1 1 B
+X OESPP/AN7/RE2 27 1200 -1000 150 L 50 50 1 1 B
+X VUSB 37 1200 300 150 L 50 50 1 1 B
+X Vpp/~MCLR~/RE3 18 1200 -1100 150 L 50 50 1 1 I
+X VDD 28 -100 1400 150 D 50 50 1 1 W
+X SPP0/RD0 38 1200 100 150 L 50 50 1 1 B
+X RA0/AN0 19 -1200 1100 150 R 50 50 1 1 B
+X VDD 29 0 1400 150 D 50 50 1 1 W
+X SPP1/RD1 39 1200 0 150 L 50 50 1 1 B
+ENDDRAW
+ENDDEF
+#
 # PIC18(L)F4458-I/P
 #
 DEF PIC18(L)F4458-I/P U 0 50 Y Y 1 F N