diff --git a/sdk/tests/network-client.test.ts b/sdk/tests/network-client.test.ts
index 374343940..c5a8730fd 100644
--- a/sdk/tests/network-client.test.ts
+++ b/sdk/tests/network-client.test.ts
@@ -70,7 +70,10 @@ describe('NodeConnection', () => {
         });
 
         it('should throw an error if the request fails', async () => {
-            expect(await connection.getBlockRange(999999999, 1000000000)).deep.equal([]);
+            await expectThrows(
+                () => connection.getBlockRange(999999999, 1000000000),
+                "Error fetching blocks between 999999999 and 1000000000.",
+            );
         });
     });
 
@@ -103,7 +106,7 @@ describe('NodeConnection', () => {
 
             expect(windowFetchSpy.args).deep.equal([
                 [
-                    "https://api.explorer.provable.com/v1",
+                    "https://api.explorer.provable.com/v1/%%NETWORK%%/latest/block",
                     {
                         "headers": {
                             // @TODO: Run the Jest tests on the compiled Rollup code,
diff --git a/wasm/src/types/networks/mainnet.rs b/wasm/src/types/networks/mainnet.rs
index 615830b79..ffd89a69b 100644
--- a/wasm/src/types/networks/mainnet.rs
+++ b/wasm/src/types/networks/mainnet.rs
@@ -20,4 +20,4 @@ pub use snarkvm_console::network::MainnetV0 as CurrentNetwork;
 
 pub use snarkvm_parameters::mainnet as parameters;
 
-pub const BASE_URL: &'static str = "https://parameters.provable.com/mainnet/";
+pub const BASE_URL: &'static str = "https://parameters.aleo.org/mainnet/";
diff --git a/wasm/src/types/networks/testnet.rs b/wasm/src/types/networks/testnet.rs
index 88d5a92b5..9085dc799 100644
--- a/wasm/src/types/networks/testnet.rs
+++ b/wasm/src/types/networks/testnet.rs
@@ -20,4 +20,4 @@ pub use snarkvm_console::network::TestnetV0 as CurrentNetwork;
 
 pub use snarkvm_parameters::testnet as parameters;
 
-pub const BASE_URL: &'static str = "https://parameters.provable.com/testnet/";
+pub const BASE_URL: &'static str = "https://parameters.aleo.org/testnet/";