diff --git a/.pnp.js b/.pnp.js
index dd8e0263..1fa3571e 100755
--- a/.pnp.js
+++ b/.pnp.js
@@ -3215,7 +3215,7 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
           "packageDependencies": [
             ["@confio/ics23", "npm:0.6.5"],
             ["js-sha512", "npm:0.8.0"],
-            ["protobufjs", "npm:6.11.2"],
+            ["protobufjs", "npm:6.10.2"],
             ["ripemd160", "npm:2.0.2"],
             ["sha.js", "npm:2.4.11"]
           ],
@@ -10848,26 +10848,6 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
             ["long", "npm:4.0.0"]
           ],
           "linkType": "HARD",
-        }],
-        ["npm:6.11.2", {
-          "packageLocation": "./.yarn/unplugged/protobufjs-npm-6.11.2-9b422ce98e/node_modules/protobufjs/",
-          "packageDependencies": [
-            ["protobufjs", "npm:6.11.2"],
-            ["@protobufjs/aspromise", "npm:1.1.2"],
-            ["@protobufjs/base64", "npm:1.1.2"],
-            ["@protobufjs/codegen", "npm:2.0.4"],
-            ["@protobufjs/eventemitter", "npm:1.1.0"],
-            ["@protobufjs/fetch", "npm:1.1.0"],
-            ["@protobufjs/float", "npm:1.0.2"],
-            ["@protobufjs/inquire", "npm:1.1.0"],
-            ["@protobufjs/path", "npm:1.1.2"],
-            ["@protobufjs/pool", "npm:1.1.0"],
-            ["@protobufjs/utf8", "npm:1.1.0"],
-            ["@types/long", "npm:4.0.1"],
-            ["@types/node", "npm:15.3.1"],
-            ["long", "npm:4.0.0"]
-          ],
-          "linkType": "HARD",
         }]
       ]],
       ["pump", [
diff --git a/.yarn/cache/protobufjs-npm-6.11.2-9b422ce98e-3c7c6875ca.zip b/.yarn/cache/protobufjs-npm-6.11.2-9b422ce98e-3c7c6875ca.zip
deleted file mode 100644
index dd313066..00000000
--- a/.yarn/cache/protobufjs-npm-6.11.2-9b422ce98e-3c7c6875ca.zip
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:021e895bf63d6660df40684ad395de7e3af7324b658021c6cd929fc18cc0d80d
-size 1455286
diff --git a/yarn.lock b/yarn.lock
index a47625b6..6c98d391 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1780,7 +1780,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:*, @types/node@npm:>=10.0.0, @types/node@npm:>=13.7.0, @types/node@npm:^15.0.1":
+"@types/node@npm:*, @types/node@npm:>=10.0.0, @types/node@npm:^15.0.1":
   version: 15.3.1
   resolution: "@types/node@npm:15.3.1"
   checksum: 1c3c94f4c8e1df26b24a00637fdd5a50a5ea7afd0e97cbd298cf675d49ad5436b8b2b111b349194e2fb8bfc81291a67dff9eac80abbf610f938f7a89ba5ba426
@@ -6266,31 +6266,7 @@ fsevents@~2.3.1:
   languageName: node
   linkType: hard
 
-"protobufjs@npm:^6.8.8":
-  version: 6.11.2
-  resolution: "protobufjs@npm:6.11.2"
-  dependencies:
-    "@protobufjs/aspromise": ^1.1.2
-    "@protobufjs/base64": ^1.1.2
-    "@protobufjs/codegen": ^2.0.4
-    "@protobufjs/eventemitter": ^1.1.0
-    "@protobufjs/fetch": ^1.1.0
-    "@protobufjs/float": ^1.0.2
-    "@protobufjs/inquire": ^1.1.0
-    "@protobufjs/path": ^1.1.2
-    "@protobufjs/pool": ^1.1.0
-    "@protobufjs/utf8": ^1.1.0
-    "@types/long": ^4.0.1
-    "@types/node": ">=13.7.0"
-    long: ^4.0.0
-  bin:
-    pbjs: bin/pbjs
-    pbts: bin/pbts
-  checksum: 3c7c6875ca794ae9c31c532f42368b6fd6d446b20d696f261946feb3f3a9afe482a142afdca7c5bf0cf958b2d79cdbb8bbd56f55bd13b221920267d3332a062e
-  languageName: node
-  linkType: hard
-
-"protobufjs@npm:~6.10.2":
+"protobufjs@npm:^6.8.8, protobufjs@npm:~6.10.2":
   version: 6.10.2
   resolution: "protobufjs@npm:6.10.2"
   dependencies: