diff --git a/package.json b/package.json
index a10404a..8d52d84 100644
--- a/package.json
+++ b/package.json
@@ -18,8 +18,10 @@
     "express-validator": "^6.10.0",
     "hash-wasm": "^4.9.0",
     "irc-upd": "^0.11.0",
+    "jose": "^4.14.4",
     "merge-options": "^3.0.3",
     "openpgp": "^5.5.0",
+    "rfc4648": "^1.5.2",
     "rome": "^11.0.0",
     "valid-url": "^1.0.9",
     "validator": "^13.9.0"
diff --git a/yarn.lock b/yarn.lock
index 0fa7743..8a6b90b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3180,6 +3180,11 @@ jju@^1.4.0:
   resolved "https://registry.yarnpkg.com/jju/-/jju-1.4.0.tgz#a3abe2718af241a2b2904f84a625970f389ae32a"
   integrity sha512-8wb9Yw966OSxApiCt0K3yNJL8pnNeIv+OEq2YMidz4FKP6nonSRoOXc80iXY4JaN2FC11B9qsNmDsm+ZOfMROA==
 
+jose@^4.14.4:
+  version "4.14.4"
+  resolved "https://registry.yarnpkg.com/jose/-/jose-4.14.4.tgz#59e09204e2670c3164ee24cbfe7115c6f8bff9ca"
+  integrity sha512-j8GhLiKmUAh+dsFXlX1aJCbt5KMibuKb+d7j1JaOJG6s2UjX1PQlW+OKB/sD4a/5ZYF4RcmYmLSndOoU3Lt/3g==
+
 js-sdsl@^4.1.4:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/js-sdsl/-/js-sdsl-4.4.0.tgz#8b437dbe642daa95760400b602378ed8ffea8430"
@@ -4389,6 +4394,11 @@ reusify@^1.0.4:
   resolved "https://registry.yarnpkg.com/reusify/-/reusify-1.0.4.tgz#90da382b1e126efc02146e90845a88db12925d76"
   integrity sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==
 
+rfc4648@^1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/rfc4648/-/rfc4648-1.5.2.tgz#cf5dac417dd83e7f4debf52e3797a723c1373383"
+  integrity sha512-tLOizhR6YGovrEBLatX1sdcuhoSCXddw3mqNVAcKxGJ+J0hFeJ+SjeWCv5UPA/WU3YzWPPuCVYgXBKZUPGpKtg==
+
 rfdc@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/rfdc/-/rfdc-1.3.0.tgz#d0b7c441ab2720d05dc4cf26e01c89631d9da08b"