diff --git a/examples/ipfs_node/wasm/ipfs_node/.cargo/config.toml b/examples/ipfs_node/wasm/ipfs_node/.cargo/config.toml
new file mode 100644
index 00000000..f4e8c002
--- /dev/null
+++ b/examples/ipfs_node/wasm/ipfs_node/.cargo/config.toml
@@ -0,0 +1,2 @@
+[build]
+target = "wasm32-unknown-unknown"
diff --git a/examples/ipfs_node/wasm/ipfs_rpc/.cargo/config.toml b/examples/ipfs_node/wasm/ipfs_rpc/.cargo/config.toml
new file mode 100644
index 00000000..f4e8c002
--- /dev/null
+++ b/examples/ipfs_node/wasm/ipfs_rpc/.cargo/config.toml
@@ -0,0 +1,2 @@
+[build]
+target = "wasm32-unknown-unknown"
diff --git a/examples/simple_greeting/.cargo/config.toml b/examples/simple_greeting/.cargo/config.toml
new file mode 100644
index 00000000..f4e8c002
--- /dev/null
+++ b/examples/simple_greeting/.cargo/config.toml
@@ -0,0 +1,2 @@
+[build]
+target = "wasm32-unknown-unknown"