diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a4f300e0..c30fa16c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -85,12 +85,11 @@ jobs:
         mise run
         ${{ matrix.cover && 'cover:default' || 'test:default' }}
         ${{ matrix.race && '--race' || '' }}
+        --format github-actions-fails
       # NB:
       # Windows tests are already slow.
       # Run them without race detection to avoid slowing them further.
       shell: bash
-      env:
-        GOTESTSUM_FORMAT: github-actions
 
     - name: Script tests
       if: ${{ matrix.suite == 'script' }}
@@ -98,11 +97,10 @@ jobs:
         mise run \
           ${{ matrix.cover && 'cover:script' || 'test:script' }} \
           ${{ matrix.race && '--race' || '' }} \
+          --format github-actions-fails \
           --shard-index "${{ matrix.shard-index || '0' }}" \
           --shard-count "${{ matrix.shard-count || '1' }}"
       shell: bash
-      env:
-        GOTESTSUM_FORMAT: github-actions
 
     - name: Upload coverage
       uses: codecov/codecov-action@v6.0.0
diff --git a/mise.lock b/mise.lock
index b07982c1..5efed35d 100644
--- a/mise.lock
+++ b/mise.lock
@@ -42,6 +42,45 @@ checksum = "sha256:4a90748c1da0179afe282599b562e75ef2cb5ce34e25d5f67e70ef20725b9
 url = "https://github.com/miniscruff/changie/releases/download/v1.24.0/changie_1.24.0_windows_amd64.zip"
 url_api = "https://api.github.com/repos/miniscruff/changie/releases/assets/319542125"
 
+[[tools."github:abhinav/gotestsum"]]
+version = "v1.14.0-beta.1+github-actions-fails"
+backend = "github:abhinav/gotestsum"
+
+[tools."github:abhinav/gotestsum"."platforms.linux-arm64"]
+checksum = "sha256:fa961de48575b038a6a6afa1d9ba877bdf42960e7376df30377640f6335e7615"
+url = "https://github.com/abhinav/gotestsum/releases/download/v1.14.0-beta.1%2Bgithub-actions-fails/gotestsum_1.14.0-beta.1%2Bgithub-actions-fails_linux_arm64.tar.gz"
+url_api = "https://api.github.com/repos/abhinav/gotestsum/releases/assets/428166816"
+
+[tools."github:abhinav/gotestsum"."platforms.linux-arm64-musl"]
+checksum = "sha256:fa961de48575b038a6a6afa1d9ba877bdf42960e7376df30377640f6335e7615"
+url = "https://github.com/abhinav/gotestsum/releases/download/v1.14.0-beta.1%2Bgithub-actions-fails/gotestsum_1.14.0-beta.1%2Bgithub-actions-fails_linux_arm64.tar.gz"
+url_api = "https://api.github.com/repos/abhinav/gotestsum/releases/assets/428166816"
+
+[tools."github:abhinav/gotestsum"."platforms.linux-x64"]
+checksum = "sha256:4a193038f8277411004bc26e18e568733904c832e85eacd7e48b3c314de0d1d1"
+url = "https://github.com/abhinav/gotestsum/releases/download/v1.14.0-beta.1%2Bgithub-actions-fails/gotestsum_1.14.0-beta.1%2Bgithub-actions-fails_linux_amd64.tar.gz"
+url_api = "https://api.github.com/repos/abhinav/gotestsum/releases/assets/428166817"
+
+[tools."github:abhinav/gotestsum"."platforms.linux-x64-musl"]
+checksum = "sha256:4a193038f8277411004bc26e18e568733904c832e85eacd7e48b3c314de0d1d1"
+url = "https://github.com/abhinav/gotestsum/releases/download/v1.14.0-beta.1%2Bgithub-actions-fails/gotestsum_1.14.0-beta.1%2Bgithub-actions-fails_linux_amd64.tar.gz"
+url_api = "https://api.github.com/repos/abhinav/gotestsum/releases/assets/428166817"
+
+[tools."github:abhinav/gotestsum"."platforms.macos-arm64"]
+checksum = "sha256:40cf41a260c2036ec3239fdf7e40179a237fbb05e090a1e3601b52226a31d527"
+url = "https://github.com/abhinav/gotestsum/releases/download/v1.14.0-beta.1%2Bgithub-actions-fails/gotestsum_1.14.0-beta.1%2Bgithub-actions-fails_darwin_arm64.tar.gz"
+url_api = "https://api.github.com/repos/abhinav/gotestsum/releases/assets/428166812"
+
+[tools."github:abhinav/gotestsum"."platforms.macos-x64"]
+checksum = "sha256:6405031b835b55e3429082a6b25ef7361f27390465b338e83d938dc63b7ce35c"
+url = "https://github.com/abhinav/gotestsum/releases/download/v1.14.0-beta.1%2Bgithub-actions-fails/gotestsum_1.14.0-beta.1%2Bgithub-actions-fails_darwin_amd64.tar.gz"
+url_api = "https://api.github.com/repos/abhinav/gotestsum/releases/assets/428166828"
+
+[tools."github:abhinav/gotestsum"."platforms.windows-x64"]
+checksum = "sha256:54b8a6d80741dd6faf0a64296446e14e52bfb3411c88762afd46327b8716115e"
+url = "https://github.com/abhinav/gotestsum/releases/download/v1.14.0-beta.1%2Bgithub-actions-fails/gotestsum_1.14.0-beta.1%2Bgithub-actions-fails_windows_amd64.tar.gz"
+url_api = "https://api.github.com/repos/abhinav/gotestsum/releases/assets/428166818"
+
 [[tools.go]]
 version = "1.26.3"
 backend = "core:go"
@@ -113,38 +152,6 @@ checksum = "sha256:bd42e3ebc8cb4ececb86941983baaf1dc221bbb04d838e94ce63b49cc91e0
 url = "https://github.com/golangci/golangci-lint/releases/download/v2.12.2/golangci-lint-2.12.2-windows-amd64.zip"
 provenance = "github-attestations"
 
-[[tools.gotestsum]]
-version = "1.13.0"
-backend = "aqua:gotestyourself/gotestsum"
-
-[tools.gotestsum."platforms.linux-arm64"]
-checksum = "sha256:7644a4c5cd1bb978d56245aeab25a586ac5ac62adebed20a399548867c13499d"
-url = "https://github.com/gotestyourself/gotestsum/releases/download/v1.13.0/gotestsum_1.13.0_linux_arm64.tar.gz"
-
-[tools.gotestsum."platforms.linux-arm64-musl"]
-checksum = "sha256:7644a4c5cd1bb978d56245aeab25a586ac5ac62adebed20a399548867c13499d"
-url = "https://github.com/gotestyourself/gotestsum/releases/download/v1.13.0/gotestsum_1.13.0_linux_arm64.tar.gz"
-
-[tools.gotestsum."platforms.linux-x64"]
-checksum = "sha256:11ccddeaf708ef228889f9fe2f68291a75b27013ddfc3b18156e094f5f40e8ee"
-url = "https://github.com/gotestyourself/gotestsum/releases/download/v1.13.0/gotestsum_1.13.0_linux_amd64.tar.gz"
-
-[tools.gotestsum."platforms.linux-x64-musl"]
-checksum = "sha256:11ccddeaf708ef228889f9fe2f68291a75b27013ddfc3b18156e094f5f40e8ee"
-url = "https://github.com/gotestyourself/gotestsum/releases/download/v1.13.0/gotestsum_1.13.0_linux_amd64.tar.gz"
-
-[tools.gotestsum."platforms.macos-arm64"]
-checksum = "sha256:509cb27aef747f48faf9bce424f59dcf79572c905204b990ee935bbfcc7fa0e9"
-url = "https://github.com/gotestyourself/gotestsum/releases/download/v1.13.0/gotestsum_1.13.0_darwin_arm64.tar.gz"
-
-[tools.gotestsum."platforms.macos-x64"]
-checksum = "sha256:99529350f4c7b780b1efc543ca0d9721b09f0a4228f0efa9281261f58fefa05a"
-url = "https://github.com/gotestyourself/gotestsum/releases/download/v1.13.0/gotestsum_1.13.0_darwin_amd64.tar.gz"
-
-[tools.gotestsum."platforms.windows-x64"]
-checksum = "sha256:fd5a6dc69e46a0970593e70d85a7e75f16714e9c61d6d72ccc324eb82df5bb8a"
-url = "https://github.com/gotestyourself/gotestsum/releases/download/v1.13.0/gotestsum_1.13.0_windows_amd64.tar.gz"
-
 [[tools.requiredfield]]
 version = "0.9.0"
 backend = "github:abhinav/requiredfield"
diff --git a/mise.toml b/mise.toml
index 9c6552ab..80f53dae 100644
--- a/mise.toml
+++ b/mise.toml
@@ -2,7 +2,6 @@
 experimental = true
 
 [env]
-GOTESTSUM_FORMAT = "testname"
 GOBIN = "{{ config_root }}/bin"
 PROJECT_ROOT = "{{ config_root }}"
 _.path = ["{{ config_root }}/bin"]
@@ -18,7 +17,8 @@ requiredfield = "github:abhinav/requiredfield"
 go = "latest"
 
 # Test runner with prettier output.
-gotestsum = "latest"
+# https://github.com/gotestyourself/gotestsum/pull/568
+"github:abhinav/gotestsum" = "v1.14.0-beta.1+github-actions-fails"
 
 # Collection of linters.
 golangci-lint = "latest"
@@ -43,8 +43,9 @@ wait_for = ["generate"]
 description = "Run default tests"
 usage = '''
 flag "--race" default="false" help="Enable data race detection"
+flag "--format <format>" default="standard-verbose" help="gotestsum output format"
 '''
-run = "gotestsum -- ./... -race={{usage.race}}"
+run = "gotestsum --format={{usage.format}} -- ./... -race={{usage.race}}"
 
 [tasks."test:script"]
 wait_for = ["generate"]
@@ -54,6 +55,7 @@ flag "-v --verbose" default="false" help="Enable verbose output"
 flag "--race" default="false" help="Enable data race detection"
 flag "--update" default="false" help="Update expected results"
 flag "--count <count>" default="1" help="Number of times to run tests"
+flag "--format <format>" default="standard-verbose" help="gotestsum output format"
 
 flag "--shard-index <shard_index>" default="0" help="Shard index to run"
 flag "--shard-count <shard_count>" default="1" help="Total number of shards"
@@ -62,9 +64,7 @@ flag "--run <script>" default="" help="Regex to select which script tests to run
 complete "script" run="ls testdata/script/*.txt | cut -d/ -f3 | sed 's/.txt$//'"
 '''
 run = """
-gotestsum
-  {%- if usage.verbose %} --format=standard-verbose
-  {%- endif %} -- {# -#}
+gotestsum --format={{usage.format}} -- {# -#}
   -tags=script {# enable script tests -#}
   -run TestScript/{{usage.run}} {# run only script tests -#}
   -count {{usage.count}} {# number of times to run tests -#}
@@ -83,9 +83,10 @@ depends_post = ["_cover_report"]
 description = "Run default tests with coverage"
 usage = '''
 flag "--race" default="false" help="Enable data race detection"
+flag "--format <format>" default="standard-verbose" help="gotestsum output format"
 '''
 run = """
-gotestsum -- {# -#}
+gotestsum --format={{usage.format}} -- {# -#}
   ./... {# run all tests -#}
   -race={{usage.race}} {# race detection -#}
   -coverpkg=./... {# cover all packages -#}
@@ -98,12 +99,13 @@ depends_post = ["_cover_report"]
 description = "Run script tests with coverage"
 usage = '''
 flag "--race" default="false" help="Enable data race detection"
+flag "--format <format>" default="standard-verbose" help="gotestsum output format"
 
 flag "--shard-index <shard_index>" default="0" help="Shard index to run"
 flag "--shard-count <shard_count>" default="1" help="Total number of shards"
 '''
 run = """
-gotestsum -- {# -#}
+gotestsum --format={{usage.format}} -- {# -#}
   -tags=script {# enable script tests -#}
   -run '^TestScript$' {# run only script tests -#}
   -race={{usage.race}} {# race detection -#}
diff --git a/script_test.go b/script_test.go
index 3c4b7dbb..ca1c654c 100644
--- a/script_test.go
+++ b/script_test.go
@@ -61,8 +61,6 @@ func TestScript(t *testing.T) {
 				continue
 			}
 
-			t.Logf("Selected script: %s", script)
-
 			bs, err := os.ReadFile(script)
 			require.NoError(t, err)
 			dst := filepath.Join(shardScriptDir, filepath.Base(script))