diff --git a/.github/workflows/build_app.yml b/.github/workflows/build_app.yml
index 1a4fec46..9d1a9746 100644
--- a/.github/workflows/build_app.yml
+++ b/.github/workflows/build_app.yml
@@ -126,8 +126,8 @@ jobs:
           KEYCHAIN_PATH=$RUNNER_TEMP/app-signing.keychain-db
 
           # Import certificate and provisioning profile
-          echo -n "$BUILD_CERTIFICATE_BASE64" | base64 --decode --output $CERTIFICATE_PATH
-          echo -n "$BUILD_PROVISION_PROFILE_BASE64" | base64 --decode --output $PP_PATH
+          echo -n "$BUILD_CERTIFICATE_BASE64" | base64 --decode > $CERTIFICATE_PATH
+          echo -n "$BUILD_PROVISION_PROFILE_BASE64" | base64 --decode > $PP_PATH
 
           # Create temporary keychain
           security create-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
@@ -146,7 +146,7 @@ jobs:
         run: |
           # Set path to and import ExportOptions.plist
           EXPORTOPTIONS_PATH=$RUNNER_TEMP/ExportOptions.plist
-          echo -n "$BUILD_EXPORTOPTIONS_BASE64" | base64 --decode --output $EXPORTOPTIONS_PATH
+          echo -n "$BUILD_EXPORTOPTIONS_BASE64" | base64 --decode > $EXPORTOPTIONS_PATH
 
           # Build IPA
           flutter build ipa \