diff --git a/.editorconfig b/.editorconfig
index 16e49b0..8cf502a 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -12,6 +12,9 @@ max_line_length = 120
 [{*.py,*.yml}]
 indent_size = 4
 
+[*.sh]
+switch_case_indent = true
+
 # Ignore the entire ".venv" directory.
 [.venv/**]
 ignore = true
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 638e56e..12e5b1b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -18,12 +18,12 @@ shellcheck:
         - shellcheck $(find . -name '*.sh' | xargs)
 
 shfmt:
-    image: mvdan/shfmt:v3.1.0-alpine
+    image: mvdan/shfmt:v3.7.0-alpine
     stage: lint
     before_script:
         - shfmt -version
     script:
-        - shfmt -i 2 -ci -d .
+        - shfmt -d .
 
 .base:
     image: python:3.10
diff --git a/scripts/create_release_branch.sh b/scripts/create_release_branch.sh
index a951587..eb25a87 100755
--- a/scripts/create_release_branch.sh
+++ b/scripts/create_release_branch.sh
@@ -30,29 +30,29 @@ dry_run=0
 
 while [[ "$1" != "" ]]; do
   case $1 in
-  --dry-run)
-    dry_run=1
-    ;;
-  --help | -h)
-    usage
-    exit 0
-    ;;
-  *)
-    if [[ -z "${version}" ]]; then
-      input_version=$1
-      validated_version=$(validate_version "${input_version}")
-      if [[ -z "${validated_version}" ]]; then
-        printf "%s: provided version is invalid.\n\n" "${input_version}"
+    --dry-run)
+      dry_run=1
+      ;;
+    --help | -h)
+      usage
+      exit 0
+      ;;
+    *)
+      if [[ -z "${version}" ]]; then
+        input_version=$1
+        validated_version=$(validate_version "${input_version}")
+        if [[ -z "${validated_version}" ]]; then
+          printf "%s: provided version is invalid.\n\n" "${input_version}"
+          usage
+          exit 1
+        fi
+        version="${validated_version}"
+      else
+        printf "%s: unrecognized argument.\n\n" "$1"
         usage
         exit 1
       fi
-      version="${validated_version}"
-    else
-      printf "%s: unrecognized argument.\n\n" "$1"
-      usage
-      exit 1
-    fi
-    ;;
+      ;;
   esac
   shift
 done
diff --git a/scripts/tag_release.sh b/scripts/tag_release.sh
index 368d0ca..d72dcf3 100755
--- a/scripts/tag_release.sh
+++ b/scripts/tag_release.sh
@@ -28,29 +28,29 @@ dry_run=0
 
 while [[ "$1" != "" ]]; do
   case $1 in
-  --dry-run)
-    dry_run=1
-    ;;
-  --help | -h)
-    usage
-    exit 0
-    ;;
-  *)
-    if [[ -z "${version}" ]]; then
-      input_version=$1
-      validated_version=$(validate_version "${input_version}")
-      if [[ -z "${validated_version}" ]]; then
-        printf "%s: provided version is invalid.\n\n" "${input_version}"
+    --dry-run)
+      dry_run=1
+      ;;
+    --help | -h)
+      usage
+      exit 0
+      ;;
+    *)
+      if [[ -z "${version}" ]]; then
+        input_version=$1
+        validated_version=$(validate_version "${input_version}")
+        if [[ -z "${validated_version}" ]]; then
+          printf "%s: provided version is invalid.\n\n" "${input_version}"
+          usage
+          exit 1
+        fi
+        version="${validated_version}"
+      else
+        printf "%s: unrecognized argument.\n\n" "$1"
         usage
         exit 1
       fi
-      version="${validated_version}"
-    else
-      printf "%s: unrecognized argument.\n\n" "$1"
-      usage
-      exit 1
-    fi
-    ;;
+      ;;
   esac
   shift
 done