diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 1a2a14107..2511b6d98 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -96,6 +96,8 @@ jobs:
         run: |
           git checkout .yarnrc.yml
           yarn lint:prettier
+      - name: Yarn Dedupe
+        run: yarn dedupe --check
       - name: Run Type Check
         run: yarn typecheck
 
diff --git a/yarn.lock b/yarn.lock
index 20942b592..3804e62df 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -12847,14 +12847,7 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@toeverything/theme@npm:^0.7.27":
-  version: 0.7.27
-  resolution: "@toeverything/theme@npm:0.7.27"
-  checksum: 9349d30256d33b5528441dbca09387819225449f97549585b92b33e354d7fbb3d0e5e35001c89b8a7e3033d8f51d3aee75ef9edaaf14fb7dd717dd66bfe96009
-  languageName: node
-  linkType: hard
-
-"@toeverything/theme@npm:^0.7.28":
+"@toeverything/theme@npm:^0.7.27, @toeverything/theme@npm:^0.7.28":
   version: 0.7.28
   resolution: "@toeverything/theme@npm:0.7.28"
   checksum: 675da6a9f1a7394b04ddb5e58ddc088ea6a56c2ae5f22d6041ec966905a231ba7238417bb63d95633963f9ebae1d7c655c88e22fccf0c4e54dfcceda0deee108