diff --git a/package-lock.json b/package-lock.json
index 3710d3f..14df412 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
             "license": "MIT",
             "dependencies": {
                 "@noble/hashes": "^1.5.0",
-                "@openpgp/web-stream-tools": "^0.1.3",
+                "@openpgp/web-stream-tools": "~0.1.3",
                 "jsmimeparser": "npm:@protontech/jsmimeparser@^3.0.1",
                 "openpgp": "npm:@protontech/openpgp@~6.0.0"
             },