diff --git a/package.json b/package.json
index 0766010..96c077d 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
   "dependencies": {
     "@babel/runtime": "^7.19.4",
     "@cosmjs/amino": "0.30.1",
-    "@cosmjs/proto-signing": "0.30.1",
+    "@cosmjs/proto-signing": "0.31.0",
     "@cosmjs/stargate": "0.30.1",
     "@cosmjs/tendermint-rpc": "^0.30.1",
     "protobufjs": "^7.0.0"