diff --git a/.pnp.cjs b/.pnp.cjs
index 503ceb7109..8d8510aa1b 100755
--- a/.pnp.cjs
+++ b/.pnp.cjs
@@ -2248,7 +2248,7 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
       ],\
       [\
         "protobufjs",\
-        "npm:6.11.3"\
+        "npm:7.2.4"\
       ],\
       [\
         "pump",\
@@ -3310,7 +3310,7 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
             ["nyc", "npm:15.1.0"],\
             ["pako", "npm:2.0.3"],\
             ["prettier", "npm:2.8.8"],\
-            ["protobufjs", "npm:6.11.3"],\
+            ["protobufjs", "npm:7.2.4"],\
             ["readonly-date", "npm:1.0.0"],\
             ["ses", "npm:0.11.1"],\
             ["source-map-support", "npm:0.5.21"],\
@@ -3682,7 +3682,7 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
             ["long", "npm:4.0.0"],\
             ["nyc", "npm:15.1.0"],\
             ["prettier", "npm:2.8.8"],\
-            ["protobufjs", "npm:6.11.3"],\
+            ["protobufjs", "npm:7.2.4"],\
             ["ses", "npm:0.11.1"],\
             ["source-map-support", "npm:0.5.21"],\
             ["ts-node", "virtual:4f1584ad4aba8733a24be7c8aebbffafef25607f2d00f4b314cf96717145c692763628a31c2b85d4686fbb091ff21ebffa3cc337399c042c19a32b9bdb786464#npm:8.10.2"],\
@@ -3783,7 +3783,7 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
             ["long", "npm:4.0.0"],\
             ["nyc", "npm:15.1.0"],\
             ["prettier", "npm:2.8.8"],\
-            ["protobufjs", "npm:6.11.3"],\
+            ["protobufjs", "npm:7.2.4"],\
             ["readonly-date", "npm:1.0.0"],\
             ["ses", "npm:0.11.1"],\
             ["source-map-support", "npm:0.5.21"],\
@@ -9667,6 +9667,13 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
             ["long", "npm:4.0.0"]\
           ],\
           "linkType": "HARD"\
+        }],\
+        ["npm:5.2.3", {\
+          "packageLocation": "./.yarn/cache/long-npm-5.2.3-61dddb7586-885ede7c3d.zip/node_modules/long/",\
+          "packageDependencies": [\
+            ["long", "npm:5.2.3"]\
+          ],\
+          "linkType": "HARD"\
         }]\
       ]],\
       ["lru-cache", [\
@@ -10719,6 +10726,25 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
             ["long", "npm:4.0.0"]\
           ],\
           "linkType": "HARD"\
+        }],\
+        ["npm:7.2.4", {\
+          "packageLocation": "./.yarn/unplugged/protobufjs-npm-7.2.4-c40bd79e8d/node_modules/protobufjs/",\
+          "packageDependencies": [\
+            ["protobufjs", "npm:7.2.4"],\
+            ["@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/node", "npm:18.15.11"],\
+            ["long", "npm:5.2.3"]\
+          ],\
+          "linkType": "HARD"\
         }]\
       ]],\
       ["pump", [\
diff --git a/.yarn/cache/long-npm-5.2.3-61dddb7586-885ede7c3d.zip b/.yarn/cache/long-npm-5.2.3-61dddb7586-885ede7c3d.zip
new file mode 100644
index 0000000000..b6e2d5d0d4
Binary files /dev/null and b/.yarn/cache/long-npm-5.2.3-61dddb7586-885ede7c3d.zip differ
diff --git a/.yarn/cache/protobufjs-npm-7.2.4-c40bd79e8d-a952cdf2a5.zip b/.yarn/cache/protobufjs-npm-7.2.4-c40bd79e8d-a952cdf2a5.zip
new file mode 100644
index 0000000000..c13f4c2269
Binary files /dev/null and b/.yarn/cache/protobufjs-npm-7.2.4-c40bd79e8d-a952cdf2a5.zip differ
diff --git a/packages/cosmwasm-stargate/package.json b/packages/cosmwasm-stargate/package.json
index 8857cf8726..5d7849bf0a 100644
--- a/packages/cosmwasm-stargate/package.json
+++ b/packages/cosmwasm-stargate/package.json
@@ -79,7 +79,7 @@
     "karma-jasmine-html-reporter": "^1.5.4",
     "nyc": "^15.1.0",
     "prettier": "^2.8.1",
-    "protobufjs": "~6.11.3",
+    "protobufjs": "~7.2.4",
     "readonly-date": "^1.0.0",
     "ses": "^0.11.0",
     "source-map-support": "^0.5.19",
diff --git a/packages/proto-signing/package.json b/packages/proto-signing/package.json
index b49db058d2..78d0ea54e9 100644
--- a/packages/proto-signing/package.json
+++ b/packages/proto-signing/package.json
@@ -75,7 +75,7 @@
     "karma-jasmine-html-reporter": "^1.5.4",
     "nyc": "^15.1.0",
     "prettier": "^2.8.1",
-    "protobufjs": "~6.11.3",
+    "protobufjs": "~7.2.4",
     "ses": "^0.11.0",
     "source-map-support": "^0.5.19",
     "ts-node": "^8",
diff --git a/packages/stargate/package.json b/packages/stargate/package.json
index b3172f9f0b..604ef42f03 100644
--- a/packages/stargate/package.json
+++ b/packages/stargate/package.json
@@ -48,7 +48,7 @@
     "@cosmjs/utils": "workspace:^",
     "cosmjs-types": "^0.8.0",
     "long": "^4.0.0",
-    "protobufjs": "~6.11.3",
+    "protobufjs": "~7.2.4",
     "xstream": "^11.14.0"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 9a683431cc..96affd8c76 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -428,7 +428,7 @@ __metadata:
     nyc: ^15.1.0
     pako: ^2.0.2
     prettier: ^2.8.1
-    protobufjs: ~6.11.3
+    protobufjs: ~7.2.4
     readonly-date: ^1.0.0
     ses: ^0.11.0
     source-map-support: ^0.5.19
@@ -786,7 +786,7 @@ __metadata:
     long: ^4.0.0
     nyc: ^15.1.0
     prettier: ^2.8.1
-    protobufjs: ~6.11.3
+    protobufjs: ~7.2.4
     ses: ^0.11.0
     source-map-support: ^0.5.19
     ts-node: ^8
@@ -883,7 +883,7 @@ __metadata:
     long: ^4.0.0
     nyc: ^15.1.0
     prettier: ^2.8.1
-    protobufjs: ~6.11.3
+    protobufjs: ~7.2.4
     readonly-date: ^1.0.0
     ses: ^0.11.0
     source-map-support: ^0.5.19
@@ -5194,6 +5194,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"long@npm:^5.0.0":
+  version: 5.2.3
+  resolution: "long@npm:5.2.3"
+  checksum: 885ede7c3de4facccbd2cacc6168bae3a02c3e836159ea4252c87b6e34d40af819824b2d4edce330bfb5c4d6e8ce3ec5864bdcf9473fa1f53a4f8225860e5897
+  languageName: node
+  linkType: hard
+
 "lru-cache@npm:^6.0.0":
   version: 6.0.0
   resolution: "lru-cache@npm:6.0.0"
@@ -6115,7 +6122,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"protobufjs@npm:^6.8.8, protobufjs@npm:~6.11.2, protobufjs@npm:~6.11.3":
+"protobufjs@npm:^6.8.8, protobufjs@npm:~6.11.2":
   version: 6.11.3
   resolution: "protobufjs@npm:6.11.3"
   dependencies:
@@ -6139,6 +6146,26 @@ __metadata:
   languageName: node
   linkType: hard
 
+"protobufjs@npm:~7.2.4":
+  version: 7.2.4
+  resolution: "protobufjs@npm:7.2.4"
+  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/node": ">=13.7.0"
+    long: ^5.0.0
+  checksum: a952cdf2a5e5250c16ae651b570849b6f5b20a5475c3eef63ffb290ad239aa2916adfc1cc676f7fc93c69f48113df268761c0c246f7f023118c85bdd1a170044
+  languageName: node
+  linkType: hard
+
 "pump@npm:^3.0.0":
   version: 3.0.0
   resolution: "pump@npm:3.0.0"