diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 053c0fb4..dbf42c09 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -75,14 +75,14 @@ jobs:
       # TODO: move this test to tests/test.rs
       - run: cargo install --path . --debug
       - run: |
-          set -euxo pipefail
+          set -eEuxo pipefail
           cargo llvm-cov nextest --text --fail-under-lines 50
           cargo llvm-cov nextest --text --fail-under-lines 50 --profile default --cargo-profile dev
           cargo llvm-cov nextest --text --fail-under-lines 50 --profile ci
           cargo llvm-cov nextest --text --fail-under-lines 50 --profile ci --cargo-profile dev
         working-directory: tests/fixtures/crates/bin_crate
       - run: |
-          set -euxo pipefail
+          set -eEuxo pipefail
           git clone --depth 1 https://github.com/taiki-e/easytime.git
           cd easytime
           cargo llvm-cov test --doctests --text --fail-under-lines 30
diff --git a/tools/publish.sh b/tools/publish.sh
index 82d8db24..3119f378 100755
--- a/tools/publish.sh
+++ b/tools/publish.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 # SPDX-License-Identifier: Apache-2.0 OR MIT
-set -euo pipefail
+set -eEuo pipefail
 IFS=$'\n\t'
 cd "$(dirname "$0")"/..
 
diff --git a/tools/tidy.sh b/tools/tidy.sh
index 262ccd36..efd20897 100755
--- a/tools/tidy.sh
+++ b/tools/tidy.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 # SPDX-License-Identifier: Apache-2.0 OR MIT
 # shellcheck disable=SC2046
-set -euo pipefail
+set -eEuo pipefail
 IFS=$'\n\t'
 cd "$(dirname "$0")"/..