diff --git a/.github/renovate.json b/.github/renovate.json
index 182a85f..b740cd3 100644
--- a/.github/renovate.json
+++ b/.github/renovate.json
@@ -22,7 +22,17 @@
       "datasourceTemplate": "docker",
       "fileMatch": ["(^|/)bash-linter\\.sh$"],
       "matchStrings": [
-        "readonly\\s*shmft=\"mvdan/shfmt:v(?<currentValue>\\d+\\.\\d+(\\.\\d+)?)-alpine\""
+        "readonly\\s*shmft=\"mvdan/shfmt:v(?<currentValue>\\d+\\.\\d+(\\.\\d+)?)\""
+      ]
+    },
+    {
+      "customType": "regex",
+      "depNameTemplate": "shellcheck",
+      "packageNameTemplate": "koalaman/shellcheck",
+      "datasourceTemplate": "docker",
+      "fileMatch": ["(^|/)bash-linter\\.sh$"],
+      "matchStrings": [
+        "readonly\\s*shellcheck=\"koalaman/shellcheck:v(?<currentValue>\\d+\\.\\d+(\\.\\d+)?)\""
       ]
     }
   ]
diff --git a/quality/bash/bash-linter.sh b/quality/bash/bash-linter.sh
index bd9e440..4af79ec 100755
--- a/quality/bash/bash-linter.sh
+++ b/quality/bash/bash-linter.sh
@@ -7,7 +7,7 @@
 set -eo pipefail
 
 # https://hub.docker.com/r/mvdan/shfmt/tags
-readonly shmft="mvdan/shfmt:v3.7.0-alpine"
+readonly shmft="mvdan/shfmt:v3.7.0"
 
 # https://hub.docker.com/r/koalaman/shellcheck-alpine/tags
 readonly shellcheck="koalaman/shellcheck-alpine:v0.10.0"