diff --git a/README.md b/README.md
index 7a75107..0a0d269 100644
--- a/README.md
+++ b/README.md
@@ -784,7 +784,7 @@ See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_
 
 ### Bioinformatics
 
-* [nonnominandus/pdbtbx](https://github.com/nonnominandus/pdbtbx) [PDBTBX](https://crates.io/crates/pdbtbx) ![Compile & Test](https://github.com/nonnominandus/rust-pdb/workflows/Compile%20&%20Test/badge.svg) - PDB/mmCIF libary in Rust.
+* [nonnominandus/pdbtbx](https://github.com/nonnominandus/pdbtbx) [PDBTBX](https://crates.io/crates/pdbtbx) ![Compile & Test](https://github.com/nonnominandus/pdbtbx/workflows/Compile%20&%20Test/badge.svg?branch=master) - PDB/mmCIF libary in Rust.
 * [Rust-Bio](https://github.com/rust-bio) — bioinformatics libraries in Rust.
 
 ### Caching
@@ -1137,7 +1137,7 @@ See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_
 * Postman Collection
   * [mandrean/postman-collection-rs](https://github.com/mandrean/postman-collection-rs) — A Postman Collection v1, v2 & v2.1 serialization & deserialization library [![Build Status](https://api.travis-ci.org/mandrean/postman-collection-rs.svg?branch=master)](https://travis-ci.org/mandrean/postman-collection-rs)
 * ProtocolBuffers
-  * [danburkert/prost](https://github.com/danburkert/prost) — [![build badge](https://api.travis-ci.org/danburkert/prost.svg?branch=master)](https://travis-ci.org/danburkert/prost)
+  * [tokio-rs/prost](https://github.com/tokio-rs/prost) — [![continuous integration](https://github.com/tokio-rs/prost/workflows/continuous%20integration/badge.svg?branch=master)](https://github.com/tokio-rs/prost/actions)
   * [stepancheg/rust-protobuf](https://github.com/stepancheg/rust-protobuf) — [![build badge](https://api.travis-ci.org/stepancheg/rust-protobuf.svg?branch=master)](https://travis-ci.org/stepancheg/rust-protobuf)
 * RON (Rusty Object Notation)
   * [https://github.com/ron-rs/ron](https://github.com/ron-rs/ron) — [![build badge](https://api.travis-ci.org/ron-rs/ron.svg?branch=master)](https://travis-ci.org/https://github.com/ron-rs/ron)
diff --git a/src/main.rs b/src/main.rs
index e0324ce..8861ca3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -26,6 +26,9 @@ enum CheckerError {
         location: Option<String>,
     },
 
+    #[fail(display = "too many requests")]
+    TooManyRequests,    
+
     #[fail(display = "reqwest error: {}", error)]
     ReqwestError {
         error: String,
@@ -191,6 +194,12 @@ fn get_url_core(url: String) -> BoxFuture<'static, (String, Result<(), CheckerEr
                             return (url, res);
                         }
 
+                        if status == StatusCode::TOO_MANY_REQUESTS {
+                            // We get a lot of these, and we should not retry as they'll just fail again
+                            warn!("Error while getting {}: {}", url, status);
+                            return (url, Err(CheckerError::TooManyRequests));
+                        }
+
                         warn!("Error while getting {}, retrying: {}", url, status);
                         if status.is_redirection() {
                             res = Err(CheckerError::HttpError {status: status.as_u16(), location: ok.headers().get(header::LOCATION).and_then(|h| h.to_str().ok()).map(|x| x.to_string())});
@@ -365,6 +374,13 @@ async fn main() -> Result<(), Error> {
                     failed +=1;
                     continue;
                 }
+                CheckerError::TooManyRequests => {
+                    // too many tries
+                    if link.last_working.is_some() {
+                        info!("Ignoring 429 failure on {} as we've seen success before", url);
+                        continue;
+                    }
+                }
                 _ => {}
             };
             if let Some(last_working) = link.last_working {