diff --git a/packages/tendermint-rpc/package.json b/packages/tendermint-rpc/package.json
index 9d215aba..4cc3d8a8 100644
--- a/packages/tendermint-rpc/package.json
+++ b/packages/tendermint-rpc/package.json
@@ -38,9 +38,9 @@
     "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
   "dependencies": {
+    "@cosmjs/crypto": "^0.20.0",
     "@cosmjs/encoding": "^0.20.0",
     "@cosmjs/math": "^0.20.0",
-    "@iov/crypto": "^2.3.2",
     "@iov/jsonrpc": "^2.3.2",
     "@iov/socket": "^2.3.2",
     "axios": "^0.19.0",
diff --git a/packages/tendermint-rpc/src/v0-31/hasher.ts b/packages/tendermint-rpc/src/v0-31/hasher.ts
index ac8b36d0..eba23929 100644
--- a/packages/tendermint-rpc/src/v0-31/hasher.ts
+++ b/packages/tendermint-rpc/src/v0-31/hasher.ts
@@ -1,4 +1,4 @@
-import { Sha256 } from "@iov/crypto";
+import { Sha256 } from "@cosmjs/crypto";
 
 import { encodeBlockId, encodeBytes, encodeInt, encodeString, encodeTime, encodeVersion } from "../encodings";
 import { Header } from "../responses";
diff --git a/packages/tendermint-rpc/src/v0-32/hasher.ts b/packages/tendermint-rpc/src/v0-32/hasher.ts
index ac8b36d0..eba23929 100644
--- a/packages/tendermint-rpc/src/v0-32/hasher.ts
+++ b/packages/tendermint-rpc/src/v0-32/hasher.ts
@@ -1,4 +1,4 @@
-import { Sha256 } from "@iov/crypto";
+import { Sha256 } from "@cosmjs/crypto";
 
 import { encodeBlockId, encodeBytes, encodeInt, encodeString, encodeTime, encodeVersion } from "../encodings";
 import { Header } from "../responses";
diff --git a/yarn.lock b/yarn.lock
index 4ce4a3cc..22e4979d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -92,23 +92,6 @@
     unique-filename "^1.1.1"
     which "^1.3.1"
 
-"@iov/crypto@^2.3.2":
-  version "2.3.2"
-  resolved "https://registry.yarnpkg.com/@iov/crypto/-/crypto-2.3.2.tgz#0f65623d29d1df7e35620bbbeede70f1d0797ff9"
-  integrity sha512-inHHZa9kr+4K88ZhqOQC/LVlZBcZlE0Kkj97ynWGzaR4CCdCFa0KOkx2vef2CH0J6wbfC13e6b93/MuQyGiUAw==
-  dependencies:
-    "@iov/encoding" "^2.3.2"
-    bip39 "^3.0.2"
-    bn.js "^4.11.8"
-    elliptic "^6.4.0"
-    js-sha3 "^0.8.0"
-    libsodium-wrappers "^0.7.6"
-    pbkdf2 "^3.0.16"
-    ripemd160 "^2.0.2"
-    sha.js "^2.4.11"
-    type-tagger "^1.0.0"
-    unorm "^1.5.0"
-
 "@iov/encoding@^2.3.2":
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/@iov/encoding/-/encoding-2.3.2.tgz#4b37966af0345a6bc904bb58189dc1ea9d14ad9b"