diff --git a/package.json b/package.json
index a619f23..c419dee 100644
--- a/package.json
+++ b/package.json
@@ -43,6 +43,7 @@
     "@hapi/boom": "^9.1.3",
     "@whiskeysockets/eslint-config": "github:whiskeysockets/eslint-config",
     "async-lock": "^1.4.1",
+    "async-mutex": "^0.5.0",
     "axios": "^1.6.0",
     "cache-manager": "^5.7.6",
     "libsignal": "github:WhiskeySockets/libsignal-node",
diff --git a/yarn.lock b/yarn.lock
index b6894a5..999ddff 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1650,6 +1650,13 @@ async-lock@^1.4.1:
   resolved "https://registry.yarnpkg.com/async-lock/-/async-lock-1.4.1.tgz#56b8718915a9b68b10fce2f2a9a3dddf765ef53f"
   integrity sha512-Az2ZTpuytrtqENulXwO3GGv1Bztugx6TT37NIo7imr/Qo0gsYiGtSdBa2B6fsXhTpVZDNfu1Qn3pk531e3q+nQ==
 
+async-mutex@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/async-mutex/-/async-mutex-0.5.0.tgz#353c69a0b9e75250971a64ac203b0ebfddd75482"
+  integrity sha512-1A94B18jkJ3DYq284ohPxoXbfTA5HsQ7/Mf4DEhcyLx3Bz27Rh59iScbB6EPiP+B+joue6YCxcMXSbFC1tZKwA==
+  dependencies:
+    tslib "^2.4.0"
+
 async-retry@1.3.3:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/async-retry/-/async-retry-1.3.3.tgz#0e7f36c04d8478e7a58bdbed80cedf977785f280"