diff --git a/.github/scripts/matrices.py b/.github/scripts/matrices.py
index 4ad0c3acc34dc..b421fe8f3738c 100755
--- a/.github/scripts/matrices.py
+++ b/.github/scripts/matrices.py
@@ -68,11 +68,14 @@ def __init__(
 profile = os.environ.get("PROFILE")
 is_pr = os.environ.get("EVENT_NAME") == "pull_request"
 t_linux_x86 = Target("ubuntu-latest", "x86_64-unknown-linux-gnu", "linux-amd64")
-# TODO: Figure out how to make this work
-# t_linux_arm = Target("ubuntu-latest", "aarch64-unknown-linux-gnu", "linux-aarch64")
+t_linux_arm = Target("ubuntu-24.04-arm", "aarch64-unknown-linux-gnu", "linux-aarch64")
 t_macos = Target("macos-latest", "aarch64-apple-darwin", "macosx-aarch64")
 t_windows = Target("windows-latest", "x86_64-pc-windows-msvc", "windows-amd64")
-targets = [t_linux_x86, t_windows] if is_pr else [t_linux_x86, t_macos, t_windows]
+targets = (
+    [t_linux_x86, t_windows]
+    if is_pr
+    else [t_linux_x86, t_linux_arm, t_macos, t_windows]
+)
 
 config = [
     Case(
@@ -120,7 +123,7 @@ def main():
                     s = f"{partition}/{case.n_partitions}"
                     name += f" ({s})"
                     flags += f" --partition count:{s}"
-                
+
                 if profile == "isolate":
                     flags += " --features=isolate-by-default"
                 name += os_str
diff --git a/crates/cast/tests/cli/main.rs b/crates/cast/tests/cli/main.rs
index 69b3181db6686..bc18a938be16c 100644
--- a/crates/cast/tests/cli/main.rs
+++ b/crates/cast/tests/cli/main.rs
@@ -3146,35 +3146,48 @@ forgetest_async!(cast_run_impersonated_tx, |_prj, cmd| {
 });
 
 // <https://github.com/foundry-rs/foundry/issues/4776>
-casttest!(fetch_src_blockscout, |_prj, cmd| {
-    let url = "https://eth.blockscout.com/api";
-
-    let weth = address!("0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2");
-
-    cmd.args([
-        "source",
-        &weth.to_string(),
-        "--chain-id",
-        "1",
-        "--explorer-api-url",
-        url,
-        "--flatten",
-    ])
-    .assert_success()
-    .stdout_eq(str![[r#"
+casttest!(
+    #[cfg_attr(all(target_os = "linux", target_arch = "aarch64"), ignore = "no 0.4 solc")]
+    fetch_src_blockscout,
+    |_prj, cmd| {
+        let url = "https://eth.blockscout.com/api";
+
+        let weth = address!("0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2");
+
+        cmd.args([
+            "source",
+            &weth.to_string(),
+            "--chain-id",
+            "1",
+            "--explorer-api-url",
+            url,
+            "--flatten",
+        ])
+        .assert_success()
+        .stdout_eq(str![[r#"
 ...
 contract WETH9 {
     string public name     = "Wrapped Ether";
     string public symbol   = "WETH";
     uint8  public decimals = 18;
 ..."#]]);
-});
-
-casttest!(fetch_src_default, |_prj, cmd| {
-    let weth = address!("0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2");
-    let etherscan_api_key = next_etherscan_api_key();
-
-    cmd.args(["source", &weth.to_string(), "--flatten", "--etherscan-api-key", &etherscan_api_key])
+    }
+);
+
+casttest!(
+    #[cfg_attr(all(target_os = "linux", target_arch = "aarch64"), ignore = "no 0.4 solc")]
+    fetch_src_default,
+    |_prj, cmd| {
+        let weth = address!("0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2");
+        let etherscan_api_key = next_etherscan_api_key();
+
+        cmd.args([
+            "source",
+            &weth.to_string(),
+            "--flatten",
+            "--etherscan-api-key",
+            &etherscan_api_key,
+        ])
         .assert_success()
         .stdout_eq(str![[r#"
 ...
@@ -3183,7 +3196,8 @@ contract WETH9 {
     string public symbol   = "WETH";
     uint8  public decimals = 18;
 ..."#]]);
-});
+    }
+);
 
 // <https://github.com/foundry-rs/foundry/issues/10553>
 // <https://basescan.org/tx/0x17b2de59ebd7dfd2452a3638a16737b6b65ae816c1c5571631dc0d80b63c41de>