diff --git a/package-lock.json b/package-lock.json
index 5301eca..e503e58 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,7 +26,7 @@
         "long": "4.0.0",
         "moment": "2.29.1",
         "ow": "0.17.0",
-        "protobufjs": "6.11.3",
+        "protobufjs": "7.2.4",
         "randombytes": "2.1.0",
         "secp256k1": "4.0.2",
         "snakecase-keys": "3.2.1",
@@ -365,6 +365,31 @@
         "sha.js": "^2.4.11"
       }
     },
+    "node_modules/@confio/ics23/node_modules/protobufjs": {
+      "version": "6.11.3",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-6.11.3.tgz",
+      "integrity": "sha512-xL96WDdCZYdU7Slin569tFX712BxsxslWwAfAhCYjQKGTq7dAU91Lomy6nLLhh/dyGhk/YH4TwTSRxTzhuHyZg==",
+      "hasInstallScript": true,
+      "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"
+      }
+    },
     "node_modules/@cosmjs/amino": {
       "version": "0.25.0-alpha.2",
       "resolved": "https://registry.npmjs.org/@cosmjs/amino/-/amino-0.25.0-alpha.2.tgz",
@@ -7034,11 +7059,10 @@
       }
     },
     "node_modules/protobufjs": {
-      "version": "6.11.3",
-      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-6.11.3.tgz",
-      "integrity": "sha512-xL96WDdCZYdU7Slin569tFX712BxsxslWwAfAhCYjQKGTq7dAU91Lomy6nLLhh/dyGhk/YH4TwTSRxTzhuHyZg==",
+      "version": "7.2.4",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.2.4.tgz",
+      "integrity": "sha512-AT+RJgD2sH8phPmCf7OUZR8xGdcJRga4+1cOaXJ64hvcSkVhNcRHOwIxUatPH15+nj59WAGTDv3LSGZPEQbJaQ==",
       "hasInstallScript": true,
-      "license": "BSD-3-Clause",
       "dependencies": {
         "@protobufjs/aspromise": "^1.1.2",
         "@protobufjs/base64": "^1.1.2",
@@ -7050,15 +7074,18 @@
         "@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"
+        "long": "^5.0.0"
       },
-      "bin": {
-        "pbjs": "bin/pbjs",
-        "pbts": "bin/pbts"
+      "engines": {
+        "node": ">=12.0.0"
       }
     },
+    "node_modules/protobufjs/node_modules/long": {
+      "version": "5.2.3",
+      "resolved": "https://registry.npmjs.org/long/-/long-5.2.3.tgz",
+      "integrity": "sha512-lcHwpNoggQTObv5apGNCTdJrO69eHOZMi4BNC+rTLER8iHAqGrUVeLh/irVIM7zTw2bOXA8T6uNPeujwOLg/2Q=="
+    },
     "node_modules/proxy-addr": {
       "version": "2.0.7",
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
@@ -10071,6 +10098,28 @@
         "protobufjs": "^6.8.8",
         "ripemd160": "^2.0.2",
         "sha.js": "^2.4.11"
+      },
+      "dependencies": {
+        "protobufjs": {
+          "version": "6.11.3",
+          "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-6.11.3.tgz",
+          "integrity": "sha512-xL96WDdCZYdU7Slin569tFX712BxsxslWwAfAhCYjQKGTq7dAU91Lomy6nLLhh/dyGhk/YH4TwTSRxTzhuHyZg==",
+          "requires": {
+            "@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"
+          }
+        }
       }
     },
     "@cosmjs/amino": {
@@ -15477,9 +15526,9 @@
       "dev": true
     },
     "protobufjs": {
-      "version": "6.11.3",
-      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-6.11.3.tgz",
-      "integrity": "sha512-xL96WDdCZYdU7Slin569tFX712BxsxslWwAfAhCYjQKGTq7dAU91Lomy6nLLhh/dyGhk/YH4TwTSRxTzhuHyZg==",
+      "version": "7.2.4",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-7.2.4.tgz",
+      "integrity": "sha512-AT+RJgD2sH8phPmCf7OUZR8xGdcJRga4+1cOaXJ64hvcSkVhNcRHOwIxUatPH15+nj59WAGTDv3LSGZPEQbJaQ==",
       "requires": {
         "@protobufjs/aspromise": "^1.1.2",
         "@protobufjs/base64": "^1.1.2",
@@ -15491,9 +15540,15 @@
         "@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"
+        "long": "^5.0.0"
+      },
+      "dependencies": {
+        "long": {
+          "version": "5.2.3",
+          "resolved": "https://registry.npmjs.org/long/-/long-5.2.3.tgz",
+          "integrity": "sha512-lcHwpNoggQTObv5apGNCTdJrO69eHOZMi4BNC+rTLER8iHAqGrUVeLh/irVIM7zTw2bOXA8T6uNPeujwOLg/2Q=="
+        }
       }
     },
     "proxy-addr": {
diff --git a/package.json b/package.json
index 812e9bd..7777794 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "long": "4.0.0",
     "moment": "2.29.1",
     "ow": "0.17.0",
-    "protobufjs": "6.11.3",
+    "protobufjs": "7.2.4",
     "randombytes": "2.1.0",
     "secp256k1": "4.0.2",
     "snakecase-keys": "3.2.1",