diff --git a/package.json b/package.json
index 0d788157..529d6744 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,14 @@
     "pack-web": "yarn workspaces foreach --topological-dev --parallel run pack-web"
   },
   "devDependencies": {
+    "@cosmjs/amino": "^0.25.0-alpha.3",
+    "@cosmjs/cosmwasm-launchpad": "^0.25.0-alpha.3",
+    "@cosmjs/cosmwasm-stargate": "^0.25.0-alpha.3",
+    "@cosmjs/crypto": "^0.25.0-alpha.3",
+    "@cosmjs/encoding": "^0.25.0-alpha.3",
+    "@cosmjs/launchpad": "^0.25.0-alpha.3",
+    "@cosmjs/proto-signing": "^0.25.0-alpha.3",
+    "@cosmjs/stargate": "^0.25.0-alpha.3",
     "@istanbuljs/nyc-config-typescript": "^1.0.1",
     "@types/jasmine": "^3.3.7",
     "@typescript-eslint/eslint-plugin": "^4.5.0",
@@ -65,6 +73,7 @@
     "ses": "^0.11.0",
     "source-map-support": "^0.5.19",
     "stream-browserify": "^3.0.0",
+    "ts-node": "^8",
     "ts-proto": "^1.79.1",
     "typedoc": "^0.20",
     "typescript": "~4.0",
diff --git a/yarn.lock b/yarn.lock
index 4d90056d..6fa2dedf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4214,6 +4214,14 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "cosmjs-monorepo-root@workspace:."
   dependencies:
+    "@cosmjs/amino": ^0.25.0-alpha.3
+    "@cosmjs/cosmwasm-launchpad": ^0.25.0-alpha.3
+    "@cosmjs/cosmwasm-stargate": ^0.25.0-alpha.3
+    "@cosmjs/crypto": ^0.25.0-alpha.3
+    "@cosmjs/encoding": ^0.25.0-alpha.3
+    "@cosmjs/launchpad": ^0.25.0-alpha.3
+    "@cosmjs/proto-signing": ^0.25.0-alpha.3
+    "@cosmjs/stargate": ^0.25.0-alpha.3
     "@istanbuljs/nyc-config-typescript": ^1.0.1
     "@types/jasmine": ^3.3.7
     "@typescript-eslint/eslint-plugin": ^4.5.0
@@ -4242,6 +4250,7 @@ __metadata:
     ses: ^0.11.0
     source-map-support: ^0.5.19
     stream-browserify: ^3.0.0
+    ts-node: ^8
     ts-proto: ^1.79.1
     typedoc: ^0.20
     typescript: ~4.0