diff --git a/package-lock.json b/package-lock.json
index 57dde1e..3922e02 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.1.0",
       "license": "MIT",
       "dependencies": {
-        "@askalf/redstamp": "git+https://github.com/askalf/redstamp.git#27c26851e175045a3e274042c96760cf52dce9da",
+        "@askalf/redstamp": "git+https://github.com/askalf/redstamp.git#5222bc1b0c1e5dd3daf77078fd964f9c2215fe29",
         "@askalf/strongroom": "git+https://github.com/askalf/strongroom.git#43c9ca600ced5f9acc755590bc324e95764a5195",
         "@askalf/truecopy": "git+https://github.com/askalf/truecopy.git#951460e003ab16ef86ea5f297c6523c09b4fba4e",
         "@modelcontextprotocol/sdk": "^1.30.0",
@@ -23,9 +23,9 @@
       }
     },
     "node_modules/@askalf/redstamp": {
-      "version": "0.5.1",
-      "resolved": "git+ssh://git@github.com/askalf/redstamp.git#27c26851e175045a3e274042c96760cf52dce9da",
-      "integrity": "sha512-wyYu6nB+f7kByRxZrN4ErGoE+nk9IkVCjeMEG7pQQlLjet5Y6x+xQ+5PtoXjZimldtnO5b5/d6RSp/twlJzOow==",
+      "version": "0.7.5",
+      "resolved": "git+ssh://git@github.com/askalf/redstamp.git#5222bc1b0c1e5dd3daf77078fd964f9c2215fe29",
+      "integrity": "sha512-hXwLm1QfQPn6UnKiTNXNTYVLMzhIu+SxiCg/LrLqmsa/xpwlSS4V+GafRf6tV/Kzcvoo+fPGo2Bs8OAOqpcxmA==",
       "license": "MIT",
       "bin": {
         "redstamp": "src/cli.mjs",
diff --git a/package.json b/package.json
index b74c515..f7ef0bd 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "fuzz": "node fuzz/run.mjs"
   },
   "dependencies": {
-    "@askalf/redstamp": "git+https://github.com/askalf/redstamp.git#27c26851e175045a3e274042c96760cf52dce9da",
+    "@askalf/redstamp": "git+https://github.com/askalf/redstamp.git#5222bc1b0c1e5dd3daf77078fd964f9c2215fe29",
     "@askalf/truecopy": "git+https://github.com/askalf/truecopy.git#951460e003ab16ef86ea5f297c6523c09b4fba4e",
     "@askalf/strongroom": "git+https://github.com/askalf/strongroom.git#43c9ca600ced5f9acc755590bc324e95764a5195",
     "@modelcontextprotocol/sdk": "^1.30.0",