diff --git a/inst/lib/bsw5/dist/cyborg/_bootswatch.scss b/inst/lib/bsw5/dist/cyborg/_bootswatch.scss
index f9aa30d6..95f51c3b 100644
--- a/inst/lib/bsw5/dist/cyborg/_bootswatch.scss
+++ b/inst/lib/bsw5/dist/cyborg/_bootswatch.scss
@@ -139,3 +139,9 @@ legend {
     border-bottom: none;
   }
 }
+
+// Fix selectize.js contrasting issues
+.selectize-input {
+  --#{$prefix}emphasis-color: black;
+  --#{$prefix}emphasis-color-rgb: 0,0,0;
+}
diff --git a/inst/lib/bsw5/dist/darkly/_bootswatch.scss b/inst/lib/bsw5/dist/darkly/_bootswatch.scss
index e33682fc..36d4732c 100644
--- a/inst/lib/bsw5/dist/darkly/_bootswatch.scss
+++ b/inst/lib/bsw5/dist/darkly/_bootswatch.scss
@@ -80,3 +80,9 @@ $web-font-path: "https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,400;0
     }
   }
 }
+
+// Fix selectize.js contrasting issues
+.selectize-input {
+  --#{$prefix}emphasis-color: black;
+  --#{$prefix}emphasis-color-rgb: 0,0,0;
+}
diff --git a/inst/lib/bsw5/dist/solar/_bootswatch.scss b/inst/lib/bsw5/dist/solar/_bootswatch.scss
index 34d4f2c6..3379a532 100644
--- a/inst/lib/bsw5/dist/solar/_bootswatch.scss
+++ b/inst/lib/bsw5/dist/solar/_bootswatch.scss
@@ -59,3 +59,9 @@ $web-font-path: "https://fonts.googleapis.com/css2?family=Source+Sans+Pro:wght@4
     color: $dark;
   }
 }
+
+// Fix selectize.js contrasting issues
+.selectize-input {
+  --#{$prefix}emphasis-color: #073642;
+  --#{$prefix}emphasis-color-rgb: 7,54,66;
+}
diff --git a/inst/lib/bsw5/dist/superhero/_bootswatch.scss b/inst/lib/bsw5/dist/superhero/_bootswatch.scss
index 79c81b62..2ed90d2c 100644
--- a/inst/lib/bsw5/dist/superhero/_bootswatch.scss
+++ b/inst/lib/bsw5/dist/superhero/_bootswatch.scss
@@ -142,3 +142,9 @@ label,
     background-color: $table-hover-bg;
   }
 }
+
+// Fix selectize.js contrasting issues
+.selectize-input {
+  --#{$prefix}emphasis-color: black;
+  --#{$prefix}emphasis-color-rgb: 0,0,0;
+}