diff --git a/tests/public_api.rs b/tests/public_api.rs
index 6d1776c1..1568863c 100644
--- a/tests/public_api.rs
+++ b/tests/public_api.rs
@@ -1,11 +1,19 @@
 #[test]
 fn public_api() {
+    // NOTE: consider switching back to using `public_api::MINIMUM_NIGHTLY_RUST_VERSION` after the
+    // version is newer than the one set here
+    let nightly_version = "nightly-2023-09-18";
+    assert_eq!(
+        public_api::MINIMUM_NIGHTLY_RUST_VERSION,
+        "nightly-2023-08-25"
+    );
+
     // Install a compatible nightly toolchain if it is missing
-    rustup_toolchain::install(public_api::MINIMUM_NIGHTLY_RUST_VERSION).unwrap();
+    rustup_toolchain::install(nightly_version).unwrap();
 
     // Build rustdoc JSON
     let rustdoc_json = rustdoc_json::Builder::default()
-        .toolchain(public_api::MINIMUM_NIGHTLY_RUST_VERSION)
+        .toolchain(nightly_version)
         .build()
         .unwrap();