diff --git a/.changeset/cyan-experts-shave.md b/.changeset/cyan-experts-shave.md
new file mode 100644
index 0000000000..30e3b531ee
--- /dev/null
+++ b/.changeset/cyan-experts-shave.md
@@ -0,0 +1,5 @@
+---
+'gitbook': patch
+---
+
+Fix OpenAPI tabs indicator overflow
diff --git a/packages/gitbook/src/components/DocumentView/OpenAPI/style.css b/packages/gitbook/src/components/DocumentView/OpenAPI/style.css
index b406446f29..babf850710 100644
--- a/packages/gitbook/src/components/DocumentView/OpenAPI/style.css
+++ b/packages/gitbook/src/components/DocumentView/OpenAPI/style.css
@@ -521,7 +521,7 @@
 
 /* Tabs */
 .openapi-tabs-list {
-    @apply flex flex-row gap-1.5 py-1.5 px-2.5 border-b border-tint-subtle w-full overflow-x-scroll;
+    @apply flex flex-row gap-1.5 py-1.5 px-2.5 w-full overflow-x-scroll;
     scrollbar-width: none;
     -ms-overflow-style: none;
 }
@@ -531,11 +531,12 @@
 }
 
 .openapi-tabs-tab[aria-selected="true"] {
-    @apply text-primary after:absolute after:-bottom-2 after:left-0 after:w-full after:h-px after:bg-primary-solid after:transition-all;
+    @apply text-primary after:absolute after:-bottom-[calc(0.375rem_+_1px)] after:z-20 after:left-0 after:w-full after:h-px after:bg-primary-solid after:transition-all;
 }
 
 .openapi-tabs-panel {
-    @apply flex-1 text-sm focus-visible:outline-none;
+    @apply flex-1 text-sm relative focus-visible:outline-none;
+    @apply before:w-full before:h-px before:absolute before:bg-tint-6 before:-top-px before:z-10;
 }
 
 .openapi-tabs-footer {