diff --git a/package.json b/package.json
index 2d6588a8..17cb1b3e 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "@types/superagent": "^4.1.1",
     "autobind-decorator": "^2.4.0",
     "bootstrap": "^4.3.1",
-    "cbioportal-frontend-commons": "^0.5.6",
+    "cbioportal-frontend-commons": "^0.5.7",
     "cbioportal-utils": "^0.3.4",
     "classnames": "^2.2.6",
     "file-loader": "^4.3.0",
@@ -40,7 +40,7 @@
     "react": "16.14.0",
     "react-bootstrap": "^1.0.0-beta.6",
     "react-dom": "^16.14.0",
-    "react-mutation-mapper": "^0.8.12",
+    "react-mutation-mapper": "^0.8.15",
     "react-router-bootstrap": "^0.24.4",
     "react-router-dom": "^4.3.1",
     "react-scripts": "^3.4.4",
diff --git a/src/page/Variant.tsx b/src/page/Variant.tsx
index 6f00a754..4ca8f79e 100644
--- a/src/page/Variant.tsx
+++ b/src/page/Variant.tsx
@@ -152,12 +152,14 @@ class Variant extends React.Component<IVariantProps> {
                         TrackName.CancerHotspots,
                         TrackName.OncoKB,
                         TrackName.dbPTM,
+                        TrackName.Exon,
                     ]}
                     // allow default tracks to show up
                     trackVisibility={{
                         [TrackName.CancerHotspots]: 'visible',
                         [TrackName.OncoKB]: 'visible',
                         [TrackName.dbPTM]: 'visible',
+                        [TrackName.Exon]: 'visible',
                     }}
                     hugoSymbol={mutation[0].gene.hugoGeneSymbol}
                     entrezGeneId={Number(
diff --git a/yarn.lock b/yarn.lock
index 7bf0dd3f..397d945b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4228,10 +4228,10 @@ caseless@~0.12.0:
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
   integrity sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=
 
-cbioportal-frontend-commons@^0.5.6:
-  version "0.5.6"
-  resolved "https://registry.yarnpkg.com/cbioportal-frontend-commons/-/cbioportal-frontend-commons-0.5.6.tgz#ad438000ae2c65887f97bb71481430acb1f63b78"
-  integrity sha512-QulpH1h8HTCELx+Bmx0mpZ2rIoIA+pG6C62s98BDH3tHhHTFXwsc76pRuniU6lg/wTAKfWEUCrxenA3Tgn2Dmw==
+cbioportal-frontend-commons@^0.5.7:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/cbioportal-frontend-commons/-/cbioportal-frontend-commons-0.5.7.tgz#706850ac846eb689ae160abc8addd5abe5c45962"
+  integrity sha512-8u9zYPqKQQIrfRkqs5WOng9BWg8kX9y0UzbmwOZyLfnkmfmqyPWiZa2YVPeYM+wamUVtNHvk8fBHJPULflbLUQ==
   dependencies:
     autobind-decorator "^2.1.0"
     cbioportal-utils "^0.3.4"
@@ -11992,13 +11992,13 @@ react-motion@^0.5.2:
     prop-types "^15.5.8"
     raf "^3.1.0"
 
-react-mutation-mapper@^0.8.12:
-  version "0.8.12"
-  resolved "https://registry.yarnpkg.com/react-mutation-mapper/-/react-mutation-mapper-0.8.12.tgz#5762659434e9420bdaf65712f1ecba2bc77170b3"
-  integrity sha512-R0xPy2ovhhdarOKqJQ3fNKmV7W6t6EIsRH32fXRujfSvWhS7v4WZiv0NhmcZhQe4AR0yknATDW+Yei0Ac8zYHg==
+react-mutation-mapper@^0.8.15:
+  version "0.8.15"
+  resolved "https://registry.yarnpkg.com/react-mutation-mapper/-/react-mutation-mapper-0.8.15.tgz#4f223c68b4236bbcc11c8efe1d1e2b5323cef426"
+  integrity sha512-4yli/H3TK3GfJoAdbWd5AcYPiCoodBxMDcloL5GSQuktHF+ylwS40Y0AIGcfkv4Hoj5+1JuJdf7GbZisCKBvSA==
   dependencies:
     autobind-decorator "^2.1.0"
-    cbioportal-frontend-commons "^0.5.6"
+    cbioportal-frontend-commons "^0.5.7"
     cbioportal-utils "^0.3.4"
     classnames "^2.2.5"
     genome-nexus-ts-api-client "^1.1.16"