diff --git a/package.json b/package.json
index e4939156..0f801d35 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   "devDependencies": {
     "@types/jest": "^29.5.12",
     "@types/node": "^22.5.3",
-    "@types/pg": "^8.11.6",
+    "@types/pg": "^8.11.8",
     "@unocha/hpc-repo-tools": "^4.2.0",
     "eslint": "^8.57.0",
     "husky": "^9.1.5",
diff --git a/yarn.lock b/yarn.lock
index 22fee813..ef905113 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -778,10 +778,10 @@
   resolved "https://registry.yarnpkg.com/@types/normalize-package-data/-/normalize-package-data-2.4.3.tgz#291c243e4b94dbfbc0c0ee26b7666f1d5c030e2c"
   integrity sha512-ehPtgRgaULsFG8x0NeYJvmyH1hmlfsNLujHe9dQEia/7MAJYdzMSi19JtchUHjmBA6XC/75dK55mzZH+RyieSg==
 
-"@types/pg@^8.11.6":
-  version "8.11.6"
-  resolved "https://registry.yarnpkg.com/@types/pg/-/pg-8.11.6.tgz#a2d0fb0a14b53951a17df5197401569fb9c0c54b"
-  integrity sha512-/2WmmBXHLsfRqzfHW7BNZ8SbYzE8OSk7i3WjFYvfgRHj7S1xj+16Je5fUKv3lVdVzk/zn9TXOqf+avFCFIE0yQ==
+"@types/pg@^8.11.8":
+  version "8.11.8"
+  resolved "https://registry.yarnpkg.com/@types/pg/-/pg-8.11.8.tgz#bc712f1ad8ca664acb1d321b42691d1a166a88d6"
+  integrity sha512-IqpCf8/569txXN/HoP5i1LjXfKZWL76Yr2R77xgeIICUbAYHeoaEZFhYHo2uDftecLWrTJUq63JvQu8q3lnDyA==
   dependencies:
     "@types/node" "*"
     pg-protocol "*"
@@ -3007,12 +3007,7 @@ pg-pool@^3.6.2:
   resolved "https://registry.yarnpkg.com/pg-pool/-/pg-pool-3.6.2.tgz#3a592370b8ae3f02a7c8130d245bc02fa2c5f3f2"
   integrity sha512-Htjbg8BlwXqSBQ9V8Vjtc+vzf/6fVUuak/3/XXKA9oxZprwW3IMDQTGHP+KDmVL7rtd+R1QjbnCFPuTHm3G4hg==
 
-pg-protocol@*:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/pg-protocol/-/pg-protocol-1.6.0.tgz#4c91613c0315349363af2084608db843502f8833"
-  integrity sha512-M+PDm637OY5WM307051+bsDia5Xej6d9IR4GwJse1qA1DIhiKlksvrneZOYQq42OM+spubpcNYEo2FcKQrDk+Q==
-
-pg-protocol@^1.6.1:
+pg-protocol@*, pg-protocol@^1.6.1:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/pg-protocol/-/pg-protocol-1.6.1.tgz#21333e6d83b01faaebfe7a33a7ad6bfd9ed38cb3"
   integrity sha512-jPIlvgoD63hrEuihvIg+tJhoGjUsLPn6poJY9N5CnlPd91c2T18T/9zBtLxZSb1EhYxBRoZJtzScCaWlYLtktg==