diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c80bb3f..4dc4f6c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -36,3 +36,15 @@ jobs:
         run: cargo run --package bbuilder run examples/input_polygon.json --dry-run
       - name: Test Ethereum example
         run: cargo run --package bbuilder run examples/input_ethereum.json --dry-run
+
+  test-wasm-build:
+    name: Test WASM build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          target: wasm32-unknown-unknown
+      - name: Build catalog for WASM
+        run: cargo build --target wasm32-unknown-unknown -p catalog
diff --git a/Cargo.lock b/Cargo.lock
index b120236..4aa2bb1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1147,7 +1147,7 @@ dependencies = [
  "askama",
  "cosmos-keys",
  "eyre",
- "reqwest",
+ "getrandom 0.2.16",
  "serde",
  "serde_json",
  "spec",
@@ -1674,15 +1674,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "encoding_rs"
-version = "0.8.35"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75030f3c4f45dafd7586dd6780965a8c7e8e285a5ecb86713e63a79c5b2766f3"
-dependencies = [
- "cfg-if",
-]
-
 [[package]]
 name = "enum-ordinalize"
 version = "4.3.2"
@@ -2313,11 +2304,9 @@ dependencies = [
  "percent-encoding",
  "pin-project-lite",
  "socket2",
- "system-configuration",
  "tokio",
  "tower-service",
  "tracing",
- "windows-registry",
 ]
 
 [[package]]
@@ -3701,11 +3690,8 @@ checksum = "9d0946410b9f7b082a427e4ef5c8ff541a88b357bc6c637c40db3a68ac70a36f"
 dependencies = [
  "base64",
  "bytes",
- "encoding_rs",
- "futures-channel",
  "futures-core",
  "futures-util",
- "h2",
  "http",
  "http-body",
  "http-body-util",
@@ -3715,7 +3701,6 @@ dependencies = [
  "hyper-util",
  "js-sys",
  "log",
- "mime",
  "native-tls",
  "percent-encoding",
  "pin-project-lite",
@@ -4489,27 +4474,6 @@ dependencies = [
  "syn 2.0.112",
 ]
 
-[[package]]
-name = "system-configuration"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c879d448e9d986b661742763247d3693ed13609438cf3d006f51f5368a5ba6b"
-dependencies = [
- "bitflags",
- "core-foundation 0.9.4",
- "system-configuration-sys",
-]
-
-[[package]]
-name = "system-configuration-sys"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e1d1b10ced5ca923a1fcb8d03e96b8d3268065d724548c0211415ff6ac6bac4"
-dependencies = [
- "core-foundation-sys",
- "libc",
-]
-
 [[package]]
 name = "tap"
 version = "1.0.1"
@@ -5306,17 +5270,6 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
 
-[[package]]
-name = "windows-registry"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02752bf7fbdcce7f2a27a742f798510f3e5ad88dbe84871e5168e2120c3d5720"
-dependencies = [
- "windows-link",
- "windows-result",
- "windows-strings",
-]
-
 [[package]]
 name = "windows-result"
 version = "0.4.1"
diff --git a/Cargo.toml b/Cargo.toml
index 1259393..3e2d440 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,3 +39,4 @@ reqwest = { version = "0.12", default-features = false }
 jsonrpsee = { version = "0.24", features = ["server", "ws-client", "http-client", "macros"] }
 tracing = "0.1"
 tracing-subscriber = "0.3"
+getrandom = { version = "0.2", features = ["js"] }
diff --git a/crates/catalog/Cargo.toml b/crates/catalog/Cargo.toml
index 81a1898..dc4db52 100644
--- a/crates/catalog/Cargo.toml
+++ b/crates/catalog/Cargo.toml
@@ -12,4 +12,4 @@ serde_json.workspace = true
 askama.workspace = true
 template.workspace = true
 cosmos-keys.workspace = true
-reqwest = { version = "0.12", features = ["blocking"] }
+getrandom.workspace = true