diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5585bbef86..b42091083d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ and this project adheres to
 ### Changed
 
 - all: Drop support for Node.js < 20.
+- all: All JS output is now es2022.
 - all: Upgrade cosmjs-types to ^0.10.1 (Cosmos SDK 0.50 series)
 - @cosmjs/cli: package got removed with no replacement
 - @cosmjs/tendermint-rpc: Make constructor functions
diff --git a/packages/amino/webpack.web.config.cjs b/packages/amino/webpack.web.config.cjs
index ff4db0af8b..246709d703 100644
--- a/packages/amino/webpack.web.config.cjs
+++ b/packages/amino/webpack.web.config.cjs
@@ -11,6 +11,7 @@ module.exports = [
     target: target,
     entry: globSync("./build/**/*.spec.js", { dotRelative: true }).sort(),
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "tests.js",
     },
diff --git a/packages/cosmwasm-stargate/webpack.web.config.cjs b/packages/cosmwasm-stargate/webpack.web.config.cjs
index d7f4a37c90..ac9ae94237 100644
--- a/packages/cosmwasm-stargate/webpack.web.config.cjs
+++ b/packages/cosmwasm-stargate/webpack.web.config.cjs
@@ -11,6 +11,7 @@ module.exports = [
     target: target,
     entry: globSync("./build/**/*.spec.js", { dotRelative: true }).sort(),
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "tests.js",
     },
diff --git a/packages/crypto/webpack.web.config.cjs b/packages/crypto/webpack.web.config.cjs
index ff4db0af8b..246709d703 100644
--- a/packages/crypto/webpack.web.config.cjs
+++ b/packages/crypto/webpack.web.config.cjs
@@ -11,6 +11,7 @@ module.exports = [
     target: target,
     entry: globSync("./build/**/*.spec.js", { dotRelative: true }).sort(),
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "tests.js",
     },
diff --git a/packages/encoding/webpack.web.config.cjs b/packages/encoding/webpack.web.config.cjs
index 435733aaf1..16c9d3ba0e 100644
--- a/packages/encoding/webpack.web.config.cjs
+++ b/packages/encoding/webpack.web.config.cjs
@@ -11,6 +11,7 @@ module.exports = [
     target: target,
     entry: globSync("./build/**/*.spec.js", { dotRelative: true }).sort(),
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "tests.js",
     },
diff --git a/packages/faucet-client/webpack.web.config.cjs b/packages/faucet-client/webpack.web.config.cjs
index a00cffa684..414894e663 100644
--- a/packages/faucet-client/webpack.web.config.cjs
+++ b/packages/faucet-client/webpack.web.config.cjs
@@ -11,6 +11,7 @@ module.exports = [
     target: target,
     entry: globSync("./build/**/*.spec.js", { dotRelative: true }).sort(),
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "tests.js",
     },
diff --git a/packages/faucet/webpack.node.config.cjs b/packages/faucet/webpack.node.config.cjs
index bab1e48c7e..b8c80a73f6 100644
--- a/packages/faucet/webpack.node.config.cjs
+++ b/packages/faucet/webpack.node.config.cjs
@@ -8,6 +8,7 @@ module.exports = [
     target: target,
     entry: "./build/cli.js",
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "cli.js",
       library: {
diff --git a/packages/json-rpc/webpack.web.config.cjs b/packages/json-rpc/webpack.web.config.cjs
index aa1500dfce..ffce4c6b08 100644
--- a/packages/json-rpc/webpack.web.config.cjs
+++ b/packages/json-rpc/webpack.web.config.cjs
@@ -10,6 +10,7 @@ module.exports = [
     target: target,
     entry: "./build/workers/dummyservice.worker.js",
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "dummyservice.worker.js",
     },
@@ -19,6 +20,7 @@ module.exports = [
     target: target,
     entry: globSync("./build/**/*.spec.js", { dotRelative: true }).sort(),
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "tests.js",
     },
diff --git a/packages/ledger-amino/webpack.demo.config.cjs b/packages/ledger-amino/webpack.demo.config.cjs
index dea15b6b02..a4f523133c 100644
--- a/packages/ledger-amino/webpack.demo.config.cjs
+++ b/packages/ledger-amino/webpack.demo.config.cjs
@@ -11,6 +11,7 @@ module.exports = [
     target: target,
     entry: globSync("./build/demo/web.js"),
     output: {
+      asyncChunks: false,
       path: demodir,
       filename: "ledger.js",
     },
diff --git a/packages/math/webpack.web.config.cjs b/packages/math/webpack.web.config.cjs
index e8efc5ad31..e6b0cf8844 100644
--- a/packages/math/webpack.web.config.cjs
+++ b/packages/math/webpack.web.config.cjs
@@ -11,6 +11,7 @@ module.exports = [
     target: target,
     entry: globSync("./build/**/*.spec.js", { dotRelative: true }).sort(),
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "tests.js",
     },
diff --git a/packages/proto-signing/webpack.web.config.cjs b/packages/proto-signing/webpack.web.config.cjs
index ff4db0af8b..246709d703 100644
--- a/packages/proto-signing/webpack.web.config.cjs
+++ b/packages/proto-signing/webpack.web.config.cjs
@@ -11,6 +11,7 @@ module.exports = [
     target: target,
     entry: globSync("./build/**/*.spec.js", { dotRelative: true }).sort(),
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "tests.js",
     },
diff --git a/packages/socket/webpack.web.config.cjs b/packages/socket/webpack.web.config.cjs
index b291f7b2d9..797dca59c6 100644
--- a/packages/socket/webpack.web.config.cjs
+++ b/packages/socket/webpack.web.config.cjs
@@ -11,6 +11,7 @@ module.exports = [
     target: target,
     entry: globSync("./build/**/*.spec.js", { dotRelative: true }).sort(),
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "tests.js",
     },
diff --git a/packages/stargate/webpack.web.config.cjs b/packages/stargate/webpack.web.config.cjs
index c1a9e322db..be85522b6e 100644
--- a/packages/stargate/webpack.web.config.cjs
+++ b/packages/stargate/webpack.web.config.cjs
@@ -11,6 +11,7 @@ module.exports = [
     target: target,
     entry: globSync("./build/**/*.spec.js", { dotRelative: true }).sort(),
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "tests.js",
     },
diff --git a/packages/stream/webpack.web.config.cjs b/packages/stream/webpack.web.config.cjs
index 203b29a691..3430433607 100644
--- a/packages/stream/webpack.web.config.cjs
+++ b/packages/stream/webpack.web.config.cjs
@@ -10,6 +10,7 @@ module.exports = [
     target: target,
     entry: globSync("./build/**/*.spec.js", { dotRelative: true }).sort(),
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "tests.js",
     },
diff --git a/packages/tendermint-rpc/webpack.web.config.cjs b/packages/tendermint-rpc/webpack.web.config.cjs
index 7d66bf9d97..48881a09cf 100644
--- a/packages/tendermint-rpc/webpack.web.config.cjs
+++ b/packages/tendermint-rpc/webpack.web.config.cjs
@@ -11,6 +11,7 @@ module.exports = [
     target: target,
     entry: globSync("./build/**/*.spec.js", { dotRelative: true }).sort(),
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "tests.js",
     },
diff --git a/packages/utils/webpack.web.config.cjs b/packages/utils/webpack.web.config.cjs
index e8efc5ad31..e6b0cf8844 100644
--- a/packages/utils/webpack.web.config.cjs
+++ b/packages/utils/webpack.web.config.cjs
@@ -11,6 +11,7 @@ module.exports = [
     target: target,
     entry: globSync("./build/**/*.spec.js", { dotRelative: true }).sort(),
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "tests.js",
     },
diff --git a/tsconfig.json b/tsconfig.json
index f52c003f57..c678ea51f0 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -9,10 +9,9 @@
     "declaration": true,
     "esModuleInterop": true,
     "forceConsistentCasingInFileNames": true,
-    "lib": ["es2020"],
-    "target": "es2020",
-    "module": "commonjs",
-    "moduleResolution": "node",
+    "lib": ["es2022"],
+    "target": "es2022",
+    "module": "node20",
     "newLine": "LF",
     "noEmitOnError": true,
     "noFallthroughCasesInSwitch": true,