diff --git a/.gitea/workflows/testflight-release.yml b/.gitea/workflows/testflight-release.yml
index f2630d5..04140b7 100644
--- a/.gitea/workflows/testflight-release.yml
+++ b/.gitea/workflows/testflight-release.yml
@@ -89,11 +89,17 @@ jobs:
 
           printf '%s' "${APPSTORE_CERTIFICATES_FILE_BASE64}" | base64 --decode > ios/build/secrets/appstore-signing.p12
           printf '%s' "${APPSTORE_PROVISIONING_PROFILE_BASE64}" | base64 --decode > "${HOME}/Library/MobileDevice/Provisioning Profiles/Sybil_AppStore_CI.mobileprovision"
+          curl -fsSL https://www.apple.com/certificateauthority/AppleWWDRCAG3.cer -o ios/build/secrets/AppleWWDRCAG3.cer
 
           security create-keychain -p "${keychain_password}" "${keychain_path}"
           security set-keychain-settings -lut 21600 "${keychain_path}"
           security unlock-keychain -p "${keychain_password}" "${keychain_path}"
           security list-keychains -d user -s "${keychain_path}" $(security list-keychains -d user | sed 's/[ "]//g')
+          security import ios/build/secrets/AppleWWDRCAG3.cer \
+            -k "${keychain_path}" \
+            -T /usr/bin/codesign \
+            -T /usr/bin/security \
+            -T /usr/bin/xcodebuild
           security import ios/build/secrets/appstore-signing.p12 \
             -k "${keychain_path}" \
             -P "${APPSTORE_CERTIFICATES_PASSWORD}" \