diff --git a/build/vendor/bootstrap/_functions.scss b/build/vendor/bootstrap/_functions.scss
index e003955..30539b3 100644
--- a/build/vendor/bootstrap/_functions.scss
+++ b/build/vendor/bootstrap/_functions.scss
@@ -37,11 +37,17 @@
   @return red($value), green($value), blue($value);
 }
 
+// stylelint-disable scss/dollar-variable-pattern
 @function rgba-css-var($identifier, $target) {
-  @return rgba(var(--#{$variable-prefix}#{$identifier}-rgb), var(--#{$variable-prefix}#{$target}-opacity));
+  @if $identifier == "body" and $target == "bg" {
+    @return rgba(var(--#{$variable-prefix}#{$identifier}-bg-rgb), var(--#{$variable-prefix}#{$target}-opacity));
+  } @if $identifier == "body" and $target == "text" {
+    @return rgba(var(--#{$variable-prefix}#{$identifier}-color-rgb), var(--#{$variable-prefix}#{$target}-opacity));
+  } @else {
+    @return rgba(var(--#{$variable-prefix}#{$identifier}-rgb), var(--#{$variable-prefix}#{$target}-opacity));
+  }
 }
 
-// stylelint-disable scss/dollar-variable-pattern
 @function map-loop($map, $func, $args...) {
   $_map: ();
 
diff --git a/build/vendor/bootstrap/_reboot.scss b/build/vendor/bootstrap/_reboot.scss
index 80bfffb..79fedc6 100644
--- a/build/vendor/bootstrap/_reboot.scss
+++ b/build/vendor/bootstrap/_reboot.scss
@@ -27,7 +27,7 @@
 
 :root {
   @if $font-size-root != null {
-    font-size: var(--#{$variable-prefix}-root-font-size);
+    font-size: var(--#{$variable-prefix}root-font-size);
   }
 
   @if $enable-smooth-scroll {
diff --git a/build/vendor/bootstrap/_root.scss b/build/vendor/bootstrap/_root.scss
index 189b2b3..5e138e9 100644
--- a/build/vendor/bootstrap/_root.scss
+++ b/build/vendor/bootstrap/_root.scss
@@ -23,7 +23,8 @@
 
   --#{$variable-prefix}white-rgb: #{to-rgb($white)};
   --#{$variable-prefix}black-rgb: #{to-rgb($black)};
-  --#{$variable-prefix}body-rgb: #{to-rgb($body-color)};
+  --#{$variable-prefix}body-color-rgb: #{to-rgb($body-color)};
+  --#{$variable-prefix}body-bg-rgb: #{to-rgb($body-bg)};
 
   // Fonts
 
diff --git a/build/vendor/bootstrap/_tables.scss b/build/vendor/bootstrap/_tables.scss
index 92556ba..e10e4c4 100644
--- a/build/vendor/bootstrap/_tables.scss
+++ b/build/vendor/bootstrap/_tables.scss
@@ -39,8 +39,8 @@
   }
 
   // Highlight border color between thead, tbody and tfoot.
-  > :not(:last-child) > :last-child > * {
-    border-bottom-color: $table-group-separator-color;
+  > :not(:first-child) {
+    border-top: (2 * $table-border-width) solid $table-group-separator-color;
   }
 }
 
@@ -91,6 +91,10 @@
   > :not(caption) > * > * {
     border-bottom-width: 0;
   }
+
+  > :not(:first-child) {
+    border-top-width: 0;
+  }
 }
 
 // Zebra-striping
@@ -98,7 +102,7 @@
 // Default zebra-stripe styles (alternating gray and transparent backgrounds)
 
 .table-striped {
-  > tbody > tr:nth-of-type(#{$table-striped-order}) {
+  > tbody > tr:nth-of-type(#{$table-striped-order}) > * {
     --#{$variable-prefix}table-accent-bg: var(--#{$variable-prefix}table-striped-bg);
     color: var(--#{$variable-prefix}table-striped-color);
   }
@@ -118,7 +122,7 @@
 // Placed here since it has to come after the potential zebra striping
 
 .table-hover {
-  > tbody > tr:hover {
+  > tbody > tr:hover > * {
     --#{$variable-prefix}table-accent-bg: var(--#{$variable-prefix}table-hover-bg);
     color: var(--#{$variable-prefix}table-hover-color);
   }
diff --git a/build/vendor/bootstrap/_variables.scss b/build/vendor/bootstrap/_variables.scss
index 3750fa2..f33b804 100644
--- a/build/vendor/bootstrap/_variables.scss
+++ b/build/vendor/bootstrap/_variables.scss
@@ -409,23 +409,33 @@ $body-text-align:           null !default;
 //
 // Extends the default `$theme-colors` maps to help create our utilities.
 
+// Come v6, we'll de-dupe these variables. Until then, for backward compatibility, we keep them to reassign.
 // scss-docs-start utilities-colors
-$utilities-colors: map-merge(
-  $theme-colors-rgb,
+$utilities-colors: $theme-colors-rgb !default;
+// scss-docs-end utilities-colors
+
+// scss-docs-start utilities-text-colors
+$utilities-text: map-merge(
+  $utilities-colors,
   (
     "black": to-rgb($black),
     "white": to-rgb($white),
-    "body":  to-rgb($body-color)
+    "body": to-rgb($body-color)
   )
 ) !default;
-// scss-docs-end utilities-colors
-
-// scss-docs-start utilities-text-colors
-$utilities-text-colors: map-loop($utilities-colors, rgba-css-var, "$key", "text") !default;
+$utilities-text-colors: map-loop($utilities-text, rgba-css-var, "$key", "text") !default;
 // scss-docs-end utilities-text-colors
 
 // scss-docs-start utilities-bg-colors
-$utilities-bg-colors: map-loop($utilities-colors, rgba-css-var, "$key", "bg") !default;
+$utilities-bg: map-merge(
+  $utilities-colors,
+  (
+    "black": to-rgb($black),
+    "white": to-rgb($white),
+    "body": to-rgb($body-bg)
+  )
+) !default;
+$utilities-bg-colors: map-loop($utilities-bg, rgba-css-var, "$key", "bg") !default;
 // scss-docs-end utilities-bg-colors
 
 // Links
@@ -914,7 +924,7 @@ $form-check-inline-margin-end:    1rem !default;
 // scss-docs-end form-check-variables
 
 // scss-docs-start form-switch-variables
-$form-switch-color:               rgba(0, 0, 0, .25) !default;
+$form-switch-color:               rgba($black, .25) !default;
 $form-switch-width:               2em !default;
 $form-switch-padding-start:       $form-switch-width + .5em !default;
 $form-switch-bg-image:            url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'><circle r='3' fill='#{$form-switch-color}'/></svg>") !default;
@@ -962,7 +972,7 @@ $form-select-feedback-icon-size:        $input-height-inner-half $input-height-i
 
 $form-select-border-width:        $input-border-width !default;
 $form-select-border-color:        $input-border-color !default;
-$form-select-border-radius:       $border-radius !default;
+$form-select-border-radius:       $input-border-radius !default;
 $form-select-box-shadow:          $box-shadow-inset !default;
 
 $form-select-focus-border-color:  $input-focus-border-color !default;
@@ -972,10 +982,12 @@ $form-select-focus-box-shadow:    0 0 0 $form-select-focus-width $input-btn-focu
 $form-select-padding-y-sm:        $input-padding-y-sm !default;
 $form-select-padding-x-sm:        $input-padding-x-sm !default;
 $form-select-font-size-sm:        $input-font-size-sm !default;
+$form-select-border-radius-sm:    $input-border-radius-sm !default;
 
 $form-select-padding-y-lg:        $input-padding-y-lg !default;
 $form-select-padding-x-lg:        $input-padding-x-lg !default;
 $form-select-font-size-lg:        $input-font-size-lg !default;
+$form-select-border-radius-lg:    $input-border-radius-lg !default;
 
 $form-select-transition:          $input-transition !default;
 // scss-docs-end form-select-variables
@@ -1157,7 +1169,7 @@ $dropdown-divider-margin-y:         $spacer * .5 !default;
 $dropdown-box-shadow:               $box-shadow !default;
 
 $dropdown-link-color:               $gray-900 !default;
-$dropdown-link-hover-color:         shade-color($gray-900, 10%) !default;
+$dropdown-link-hover-color:         shade-color($dropdown-link-color, 10%) !default;
 $dropdown-link-hover-bg:            $gray-200 !default;
 
 $dropdown-link-active-color:        $component-active-color !default;
@@ -1362,14 +1374,14 @@ $toast-font-size:                   .875rem !default;
 $toast-color:                       null !default;
 $toast-background-color:            rgba($white, .85) !default;
 $toast-border-width:                1px !default;
-$toast-border-color:                rgba(0, 0, 0, .1) !default;
+$toast-border-color:                rgba($black, .1) !default;
 $toast-border-radius:               $border-radius !default;
 $toast-box-shadow:                  $box-shadow !default;
 $toast-spacing:                     $container-padding-x !default;
 
 $toast-header-color:                $gray-600 !default;
 $toast-header-background-color:     rgba($white, .85) !default;
-$toast-header-border-color:         rgba(0, 0, 0, .05) !default;
+$toast-header-border-color:         rgba($black, .05) !default;
 // scss-docs-end toast-variables
 
 
diff --git a/build/vendor/bootstrap/bootstrap-grid.scss b/build/vendor/bootstrap/bootstrap-grid.scss
index 2c68fbb..d4a37a0 100644
--- a/build/vendor/bootstrap/bootstrap-grid.scss
+++ b/build/vendor/bootstrap/bootstrap-grid.scss
@@ -1,5 +1,5 @@
 /*!
- * Bootstrap Grid v5.1.0 (https://getbootstrap.com/)
+ * Bootstrap Grid v5.1.3 (https://getbootstrap.com/)
  * Copyright 2011-2021 The Bootstrap Authors
  * Copyright 2011-2021 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
@@ -18,6 +18,8 @@ $include-column-box-sizing: true !default;
 
 @import "vendor/rfs";
 
+@import "root";
+
 @import "containers";
 @import "grid";
 
diff --git a/build/vendor/bootstrap/bootstrap-reboot.scss b/build/vendor/bootstrap/bootstrap-reboot.scss
index 0c4bbe5..965332a 100644
--- a/build/vendor/bootstrap/bootstrap-reboot.scss
+++ b/build/vendor/bootstrap/bootstrap-reboot.scss
@@ -1,5 +1,5 @@
 /*!
- * Bootstrap Reboot v5.1.0 (https://getbootstrap.com/)
+ * Bootstrap Reboot v5.1.3 (https://getbootstrap.com/)
  * Copyright 2011-2021 The Bootstrap Authors
  * Copyright 2011-2021 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
@@ -8,8 +8,6 @@
 
 @import "functions";
 @import "variables";
-// Prevent the usage of custom properties since we don't add them to `:root` in reboot
-$font-family-base: $font-family-sans-serif; // stylelint-disable-line scss/dollar-variable-default
-$font-family-code: $font-family-monospace; // stylelint-disable-line scss/dollar-variable-default
 @import "mixins";
+@import "root";
 @import "reboot";
diff --git a/build/vendor/bootstrap/bootstrap-utilities.scss b/build/vendor/bootstrap/bootstrap-utilities.scss
index 297e825..d4f981d 100644
--- a/build/vendor/bootstrap/bootstrap-utilities.scss
+++ b/build/vendor/bootstrap/bootstrap-utilities.scss
@@ -1,5 +1,5 @@
 /*!
- * Bootstrap Utilities v5.1.0 (https://getbootstrap.com/)
+ * Bootstrap Utilities v5.1.3 (https://getbootstrap.com/)
  * Copyright 2011-2021 The Bootstrap Authors
  * Copyright 2011-2021 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
diff --git a/build/vendor/bootstrap/bootstrap.scss b/build/vendor/bootstrap/bootstrap.scss
index e42b4b4..0819eee 100644
--- a/build/vendor/bootstrap/bootstrap.scss
+++ b/build/vendor/bootstrap/bootstrap.scss
@@ -1,5 +1,5 @@
 /*!
- * Bootstrap v5.1.0 (https://getbootstrap.com/)
+ * Bootstrap v5.1.3 (https://getbootstrap.com/)
  * Copyright 2011-2021 The Bootstrap Authors
  * Copyright 2011-2021 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
diff --git a/build/vendor/bootstrap/forms/_form-select.scss b/build/vendor/bootstrap/forms/_form-select.scss
index 4506a97..153ff6c 100644
--- a/build/vendor/bootstrap/forms/_form-select.scss
+++ b/build/vendor/bootstrap/forms/_form-select.scss
@@ -60,6 +60,7 @@
   padding-bottom: $form-select-padding-y-sm;
   padding-left: $form-select-padding-x-sm;
   @include font-size($form-select-font-size-sm);
+  @include border-radius($form-select-border-radius-sm);
 }
 
 .form-select-lg {
@@ -67,4 +68,5 @@
   padding-bottom: $form-select-padding-y-lg;
   padding-left: $form-select-padding-x-lg;
   @include font-size($form-select-font-size-lg);
+  @include border-radius($form-select-border-radius-lg);
 }
diff --git a/build/vendor/bootstrap/mixins/_grid.scss b/build/vendor/bootstrap/mixins/_grid.scss
index 59cc563..aea51ab 100644
--- a/build/vendor/bootstrap/mixins/_grid.scss
+++ b/build/vendor/bootstrap/mixins/_grid.scss
@@ -7,9 +7,10 @@
   --#{$variable-prefix}gutter-y: 0;
   display: flex;
   flex-wrap: wrap;
-  margin-top: calc(var(--#{$variable-prefix}gutter-y) * -1); // stylelint-disable-line function-disallowed-list
-  margin-right: calc(var(--#{$variable-prefix}gutter-x) * -.5); // stylelint-disable-line function-disallowed-list
-  margin-left: calc(var(--#{$variable-prefix}gutter-x) * -.5); // stylelint-disable-line function-disallowed-list
+  // TODO: Revisit calc order after https://github.com/react-bootstrap/react-bootstrap/issues/6039 is fixed
+  margin-top: calc(-1 * var(--#{$variable-prefix}gutter-y)); // stylelint-disable-line function-disallowed-list
+  margin-right: calc(-.5 * var(--#{$variable-prefix}gutter-x)); // stylelint-disable-line function-disallowed-list
+  margin-left: calc(-.5 * var(--#{$variable-prefix}gutter-x)); // stylelint-disable-line function-disallowed-list
 }
 
 @mixin make-col-ready($gutter: $grid-gutter-width) {
diff --git a/build/vendor/bootstrap/mixins/_visually-hidden.scss b/build/vendor/bootstrap/mixins/_visually-hidden.scss
index ed7bc9c..4fc7f49 100644
--- a/build/vendor/bootstrap/mixins/_visually-hidden.scss
+++ b/build/vendor/bootstrap/mixins/_visually-hidden.scss
@@ -3,7 +3,7 @@
 // Hide content visually while keeping it accessible to assistive technologies
 //
 // See: https://www.a11yproject.com/posts/2013-01-11-how-to-hide-content/
-// See: https://hugogiraudel.com/2016/10/13/css-hide-and-seek/
+// See: https://kittygiraudel.com/2016/10/13/css-hide-and-seek/
 
 @mixin visually-hidden() {
   position: absolute !important;