diff --git a/RELEASE.rst b/RELEASE.rst
index 856b013ea3..664d4a728f 100644
--- a/RELEASE.rst
+++ b/RELEASE.rst
@@ -1,6 +1,11 @@
 Release Notes
 =============
 
+Version 0.66.3
+--------------
+
+- fix: remove h5 font weight override (#3272)
+
 Version 0.66.2 (Released May 05, 2026)
 --------------
 
diff --git a/frontends/main/package.json b/frontends/main/package.json
index d1938c7567..6774f02fb2 100644
--- a/frontends/main/package.json
+++ b/frontends/main/package.json
@@ -15,7 +15,7 @@
     "@floating-ui/react": "^0.27.16",
     "@mitodl/course-search-utils": "^3.5.2",
     "@mitodl/mitxonline-api-axios": "2026.5.1",
-    "@mitodl/smoot-design": "^6.24.0",
+    "@mitodl/smoot-design": "^6.27.0",
     "@mui/material": "^6.4.5",
     "@mui/material-nextjs": "^6.4.3",
     "@opentelemetry/api": "^1.9.1",
diff --git a/frontends/main/src/app-pages/HomePage/UAIAnnouncementCard.tsx b/frontends/main/src/app-pages/HomePage/UAIAnnouncementCard.tsx
index d95cc93d78..0d8223a9e9 100644
--- a/frontends/main/src/app-pages/HomePage/UAIAnnouncementCard.tsx
+++ b/frontends/main/src/app-pages/HomePage/UAIAnnouncementCard.tsx
@@ -123,7 +123,6 @@ const Title = styled("h2")(({ theme }) => ({
   ...theme.typography.h3,
   [theme.breakpoints.down("sm")]: {
     ...theme.typography.h5,
-    fontWeight: theme.typography.fontWeightBold,
   },
 }))
 
diff --git a/frontends/ol-components/package.json b/frontends/ol-components/package.json
index b896ab0d4e..7fe23b5fc2 100644
--- a/frontends/ol-components/package.json
+++ b/frontends/ol-components/package.json
@@ -69,7 +69,7 @@
     "typescript": "^5.5.4"
   },
   "peerDependencies": {
-    "@mitodl/smoot-design": "^6.24.0",
+    "@mitodl/smoot-design": "^6.27.0",
     "next": "^16.1.6"
   }
 }
diff --git a/main/settings.py b/main/settings.py
index 86911d0d64..5fab21998f 100644
--- a/main/settings.py
+++ b/main/settings.py
@@ -35,7 +35,7 @@
 from main.settings_pluggy import *  # noqa: F403
 from openapi.settings_spectacular import open_spectacular_settings
 
-VERSION = "0.66.2"
+VERSION = "0.66.3"
 
 log = logging.getLogger()
 
diff --git a/yarn.lock b/yarn.lock
index eec139d940..d2ac5fe0cb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3342,9 +3342,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@mitodl/smoot-design@npm:^6.24.0":
-  version: 6.24.0
-  resolution: "@mitodl/smoot-design@npm:6.24.0"
+"@mitodl/smoot-design@npm:^6.27.0":
+  version: 6.27.0
+  resolution: "@mitodl/smoot-design@npm:6.27.0"
   dependencies:
     "@ai-sdk/react": "npm:1.2.12"
     "@emotion/cache": "npm:^11.14.0"
@@ -3369,7 +3369,7 @@ __metadata:
     "@remixicon/react": ^4.2.0
     react: ^18 || ^19
     react-dom: ^18 || ^19
-  checksum: 10/ca8c5a25939e80f70d65a2a44056a2a1ecd778f298ac0153fa8e2b1861950280e17f8c33d4acfdc28967e29481ac112eecf7a80389431a47faa0f52c54ae1c11
+  checksum: 10/3db7c26bf2c412a0c13b712b2473315d8ae945bd0819e1a896e6d91a20745ae50431b55a88599b155d16083bb7d75fd048ef72fc64674145d20e0790c4613d74
   languageName: node
   linkType: hard
 
@@ -16185,7 +16185,7 @@ __metadata:
     "@happy-dom/jest-environment": "npm:^20.1.0"
     "@mitodl/course-search-utils": "npm:^3.5.2"
     "@mitodl/mitxonline-api-axios": "npm:2026.5.1"
-    "@mitodl/smoot-design": "npm:^6.24.0"
+    "@mitodl/smoot-design": "npm:^6.27.0"
     "@mui/material": "npm:^6.4.5"
     "@mui/material-nextjs": "npm:^6.4.3"
     "@opentelemetry/api": "npm:^1.9.1"
@@ -17834,7 +17834,7 @@ __metadata:
     validator: "npm:^13.11.0"
     wheel-indicator: "npm:^1.3.0"
   peerDependencies:
-    "@mitodl/smoot-design": ^6.24.0
+    "@mitodl/smoot-design": ^6.27.0
     next: ^16.1.6
   languageName: unknown
   linkType: soft