diff --git a/Cargo.lock b/Cargo.lock
index e4e5c6906f..153a437671 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5447,9 +5447,9 @@ dependencies = [
 
 [[package]]
 name = "web-sys"
-version = "0.3.66"
+version = "0.3.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50c24a44ec86bb68fbecd1b3efed7e85ea5621b39b35ef2766b66cd984f8010f"
+checksum = "58cd2333b6e0be7a39605f0e255892fd7418a682d8da8fe042fe25128794d2ed"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
diff --git a/Cargo.toml b/Cargo.toml
index fa9237fd9c..5af1a7fc5f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -109,7 +109,7 @@ rand = "0.8.5"
 pin-project = "1.1.3"
 
 # Light client wasm:
-web-sys = { version = "0.3.65", features = ["BinaryType", "CloseEvent", "MessageEvent", "WebSocket"] }
+web-sys = { version = "0.3.67", features = ["BinaryType", "CloseEvent", "MessageEvent", "WebSocket"] }
 wasm-bindgen = "0.2.90"
 send_wrapper = "0.6.0"
 js-sys = "0.3.67"
diff --git a/testing/wasm-lightclient-tests/Cargo.lock b/testing/wasm-lightclient-tests/Cargo.lock
index c9d536cded..49094a0384 100644
--- a/testing/wasm-lightclient-tests/Cargo.lock
+++ b/testing/wasm-lightclient-tests/Cargo.lock
@@ -2918,9 +2918,9 @@ dependencies = [
 
 [[package]]
 name = "web-sys"
-version = "0.3.66"
+version = "0.3.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50c24a44ec86bb68fbecd1b3efed7e85ea5621b39b35ef2766b66cd984f8010f"
+checksum = "58cd2333b6e0be7a39605f0e255892fd7418a682d8da8fe042fe25128794d2ed"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
diff --git a/testing/wasm-rpc-tests/Cargo.lock b/testing/wasm-rpc-tests/Cargo.lock
index ad6dd4fada..8df1704f97 100644
--- a/testing/wasm-rpc-tests/Cargo.lock
+++ b/testing/wasm-rpc-tests/Cargo.lock
@@ -2939,9 +2939,9 @@ dependencies = [
 
 [[package]]
 name = "web-sys"
-version = "0.3.66"
+version = "0.3.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50c24a44ec86bb68fbecd1b3efed7e85ea5621b39b35ef2766b66cd984f8010f"
+checksum = "58cd2333b6e0be7a39605f0e255892fd7418a682d8da8fe042fe25128794d2ed"
 dependencies = [
  "js-sys",
  "wasm-bindgen",