diff --git a/config/sofle.keymap b/config/sofle.keymap
index f7ca214..b9be769 100644
--- a/config/sofle.keymap
+++ b/config/sofle.keymap
@@ -13,6 +13,7 @@
 #define LOWER   1
 #define RAISE   2
 #define NUM     3
+#define UML     4
 
 &caps_word {
     continue-list = <UNDERSCORE MINUS LS(MINUS) UP DOWN LEFT RIGHT BSPC DEL>;
@@ -61,7 +62,7 @@
             &kp ESC         &kp Q     &kp W     &kp E      &kp R      &kp T                             &kp Y       &kp U       &kp I       &kp O       &kp P       &kp BSPC
             &kp TAB         &kp A     &kp S     &kp D      &kp F      &kp G                             &kp H       &kp J       &kp K       &kp L       &kp SEMI    &kp SQT
             &mt LSHFT LBRC  &kp Z     &kp X     &kp C      &kp V      &kp B     &kp C_MUTE  &kp SPACE   &kp N       &kp M       &kp COMMA   &kp DOT     &kp FSLH    &mt RSHFT RBRC
-                                      &kp LGUI  &kp LALT   &kp LCTRL  &mo LOWER &kp SPACE   &kp RET     &mo RAISE   &kp RCTRL   &kp RALT    &tog NUM
+                                      &kp LGUI  &kp LALT   &kp LCTRL  &mo LOWER &kp SPACE   &lt UML RET     &mo RAISE   &kp RCTRL   &kp RALT    &tog NUM
             >;
 
             sensor-bindings = <&inc_dec_kp C_VOL_UP C_VOL_DN &inc_dec_kp RIGHT LEFT>;
@@ -116,12 +117,31 @@
             bindings = <
             &trans  &trans  &kp KP_NUMLOCK  &kp KP_DIVIDE   &kp KP_MULTIPLY &kp KP_CLEAR                    &trans  &kp KP_NUMLOCK  &kp KP_DIVIDE   &kp KP_MULTIPLY &kp KP_CLEAR    &trans
             &trans  &trans  &kp KP_N7       &kp KP_N8       &kp KP_N9       &kp KP_MINUS                    &trans  &kp KP_N7       &kp KP_N8       &kp KP_N9       &kp KP_MINUS    &trans
-            &trans  &trans  &kp KP_N4       &kp KP_N5       &kp KP_N6       &kp KP_PLUS                     &trans  &kp KP_N4       &kp KP_N5       &kp KP_N6       &kp KP_PLUS     &kp BSPC
+            &trans  &trans  &kp KP_N4       &kp KP_N5       &kp KP_N6       &kp KP_PLUS                     &trans  &kp KP_N4       &kp KP_N5       &kp KP_N6       &kp KP_PLUS  &kp BSPC
             &trans  &trans  &kp KP_N1       &kp KP_N2       &kp KP_N3       &trans          &trans  &trans  &trans  &kp KP_N1       &kp KP_N2       &kp KP_N3       &trans          &trans
                             &kp KP_N0       &kp KP_DOT      &trans          &trans          &trans  &trans  &trans  &kp KP_N0       &kp KP_DOT      &trans
             >;
 
             sensor-bindings = <&inc_dec_kp C_VOL_UP C_VOL_DN &inc_dec_kp RIGHT LEFT>;
         };
+
+        uml_layer {
+            // -----------------------------------------------------------------------------------------------------------
+            // |     |      |       |      |       |      |                |      |       |      |       |       |       |
+            // |     |      |       |      |       |      |                |      |       |      |       |       |       |
+            // |     |      |       |      |       |      |                |      |       |      |       |       |       |
+            // |     |      |       |      |       |      |      |  |      |      |       |      |       |       |       |
+            //              |       |      |       |      |      |  |      |      |       |      |       |
+
+            bindings = <
+            &trans  &trans  &trans          &trans          &trans          &trans                          &trans  &trans          &trans          &trans          &trans          &trans
+            &trans  &trans  &trans          &trans          &trans          &trans                          &trans  &trans          &trans          &trans          &trans          &trans
+            &trans  &trans  &trans          &trans          &trans          &trans                          &trans  &trans          &trans          &trans          &trans          &trans
+            &trans  &trans  &trans          &trans          &trans          &trans      &trans  &trans      &trans  &trans          &trans          &trans          &trans          &trans
+                            &trans          &trans          &trans          &trans      &trans  &trans      &trans  &trans          &trans          &trans
+            >;
+
+            sensor-bindings = <&inc_dec_kp C_VOL_UP C_VOL_DN &inc_dec_kp RIGHT LEFT>;
+        };
     };
 };