diff --git a/.github/actions/build-macos/action.yml b/.github/actions/build-macos/action.yml
index 063d7b18..a00cf4a2 100644
--- a/.github/actions/build-macos/action.yml
+++ b/.github/actions/build-macos/action.yml
@@ -43,3 +43,5 @@ runs:
         security import certificate.p12 -k build.keychain -P ${{ inputs.MACOS_CERTIFICATE_PWD }} -T /usr/bin/codesign
         security set-key-partition-list -S apple-tool:,apple:,codesign: -s -k Techminohaowan build.keychain
         /usr/bin/codesign --force --deep -s ${{ inputs.MACOS_CERTIFICATE_ID }} Techmino.app -v
+        security delete-keychain build.keychain
+