diff --git a/actions/helm/generate-docs/package-lock.json b/actions/helm/generate-docs/package-lock.json
index 74fd0baf..5bac6051 100644
--- a/actions/helm/generate-docs/package-lock.json
+++ b/actions/helm/generate-docs/package-lock.json
@@ -7,7 +7,7 @@
       "dependencies": {
         "@textlint/textlint-plugin-markdown": "^15.4.0",
         "markdownlint-cli2": "^0.19.1",
-        "prettier": "^3.7.1",
+        "prettier": "^3.7.3",
         "textlint": "^15.4.0",
         "textlint-filter-rule-comments": "^1.2.2",
         "textlint-rule-terminology": "^5.2.16"
@@ -3182,9 +3182,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.7.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.7.1.tgz",
-      "integrity": "sha512-RWKXE4qB3u5Z6yz7omJkjWwmTfLdcbv44jUVHC5NpfXwFGzvpQM798FGv/6WNK879tc+Cn0AAyherCl1KjbyZQ==",
+      "version": "3.7.3",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.7.3.tgz",
+      "integrity": "sha512-QgODejq9K3OzoBbuyobZlUhznP5SKwPqp+6Q6xw6o8gnhr4O85L2U915iM2IDcfF2NPXVaM9zlo9tdwipnYwzg==",
       "license": "MIT",
       "bin": {
         "prettier": "bin/prettier.cjs"
diff --git a/actions/helm/generate-docs/package.json b/actions/helm/generate-docs/package.json
index 558a0a0c..34959701 100644
--- a/actions/helm/generate-docs/package.json
+++ b/actions/helm/generate-docs/package.json
@@ -2,7 +2,7 @@
   "dependencies": {
     "@textlint/textlint-plugin-markdown": "^15.4.0",
     "markdownlint-cli2": "^0.19.1",
-    "prettier": "^3.7.1",
+    "prettier": "^3.7.3",
     "textlint": "^15.4.0",
     "textlint-filter-rule-comments": "^1.2.2",
     "textlint-rule-terminology": "^5.2.16"