diff --git a/.changeset/warm-steaks-fry.md b/.changeset/warm-steaks-fry.md
new file mode 100644
index 00000000000..f4f80a23b6c
--- /dev/null
+++ b/.changeset/warm-steaks-fry.md
@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Update the font-weight of the Dialog subtitle component to be normal
diff --git a/packages/react/src/Dialog/Dialog.tsx b/packages/react/src/Dialog/Dialog.tsx
index a006b8113c9..f4f94fd7a4a 100644
--- a/packages/react/src/Dialog/Dialog.tsx
+++ b/packages/react/src/Dialog/Dialog.tsx
@@ -497,6 +497,7 @@ const Subtitle = styled.h2<SxProp>`
   color: ${get('colors.fg.muted')};
   margin: 0; /* override default margin */
   margin-top: ${get('space.1')};
+  font-weight: normal;
 
   ${sx};
 `