diff --git a/.github/workflows/outboards/gatoraid40.outboard b/.github/workflows/outboards/gatoraid40.outboard
new file mode 100644
index 0000000..ca006a9
--- /dev/null
+++ b/.github/workflows/outboards/gatoraid40.outboard
@@ -0,0 +1,7 @@
+# Copyright 2021 Manna Harbour
+# https://github.com/manna-harbour/miryoku
+
+outboard_repository=freya-irl/zmk
+outboard_ref=main
+outboard_from=app/boards/shields/gatoraid40
+outboard_to=boards/shields/gatoraid40
diff --git a/.github/workflows/test-all-shields.yml b/.github/workflows/test-all-shields.yml
index b0bdb7f..9a2c63a 100644
--- a/.github/workflows/test-all-shields.yml
+++ b/.github/workflows/test-all-shields.yml
@@ -10,5 +10,5 @@ jobs:
     uses: manna-harbour/zmk-config/.github/workflows/main.yml@master
     with:
       board: '["nice_nano"]'
-      shield: '["absolem","a_dux_left","a_dux_right","ahokore","arch36_left","arch36_right","bastyl_left","bastyl_right","bat43","boardsource5x12","contra","corne_left","corne_right","cradio36_left","cradio36_right","cradio_left","cradio_right","cradios_left","cradios_right","crbn","eek","ergodash_left","ergodash_right","helix_left","helix_right","iris_left","iris_right","jian_left","jian_right","jorne_left","jorne_right","kyria_left","kyria_right","levinson_left","levinson_right","lily58_left","lily58_right","microdox_left","microdox_right","microdox_mod_left","microdox_mod_right","naked60","pockettype","pteron36_left","pteron36_right","rebound_v4","reviung39","reviung41","sofle_left","sofle_right","splitreus62_left","splitreus62_right","tbkmini_left","tbkmini_right","tightyl_left","tightyl_right","viterbi_left","viterbi_right","zodiark_left","zodiark_right"]'
+      shield: '["absolem","a_dux_left","a_dux_right","ahokore","arch36_left","arch36_right","bastyl_left","bastyl_right","bat43","boardsource5x12","contra","corne_left","corne_right","cradio36_left","cradio36_right","cradio_left","cradio_right","cradios_left","cradios_right","crbn","eek","ergodash_left","ergodash_right","gatoraid40","helix_left","helix_right","iris_left","iris_right","jian_left","jian_right","jorne_left","jorne_right","kyria_left","kyria_right","levinson_left","levinson_right","lily58_left","lily58_right","microdox_left","microdox_right","microdox_mod_left","microdox_mod_right","naked60","pockettype","pteron36_left","pteron36_right","rebound_v4","reviung39","reviung41","sofle_left","sofle_right","splitreus62_left","splitreus62_right","tbkmini_left","tbkmini_right","tightyl_left","tightyl_right","viterbi_left","viterbi_right","zodiark_left","zodiark_right"]'
 
diff --git a/config/gatoraid40.keymap b/config/gatoraid40.keymap
new file mode 100644
index 0000000..8a85bda
--- /dev/null
+++ b/config/gatoraid40.keymap
@@ -0,0 +1,6 @@
+// Copyright 2021 Manna Harbour
+// https://github.com/manna-harbour/miryoku
+
+#include "../miryoku/config.h"
+#include "../miryoku/mapping/40-gatoraid.h"
+#include "../miryoku/miryoku.dtsi"
diff --git a/miryoku/mapping/40-gatoraid.h b/miryoku/mapping/40-gatoraid.h
new file mode 100644
index 0000000..eb5f845
--- /dev/null
+++ b/miryoku/mapping/40-gatoraid.h
@@ -0,0 +1,18 @@
+// Copyright 2021 Manna Harbour
+// https://github.com/manna-harbour/miryoku
+
+#define XXX &none
+
+#define MIRYOKU_MAPPING( \
+     K00, K01, K02, K03, K04,      K05, K06, K07, K08, K09, \
+     K10, K11, K12, K13, K14,      K15, K16, K17, K18, K19, \
+     K20, K21, K22, K23, K24,      K25, K26, K27, K28, K29, \
+     N30, N31, K32, K33, K34,      K35, K36, K37, N38, N39 \
+) \
+XXX  K00  K01  K02  K03  K04       K05  K06  K07  K08  K09  XXX \
+XXX  K10  K11  K12  K13  K14       K15  K16  K17  K18  K19  XXX \
+     K20  K21  K22  K23  K24       K25  K26  K27  K28  K29 \
+               K32  K33  K34       K35  K36  K37
+
+#define MIRYOKU_COMBO_TPSL 35 36
+#define MIRYOKU_COMBO_TPSR 37 38