diff --git a/build.rs b/build.rs
index 9d44387..fe5dd88 100644
--- a/build.rs
+++ b/build.rs
@@ -1,33 +1,37 @@
+use std::{env, io};
 use std::fs;
 use std::path::Path;
 use std::process::Command;
-use std::{env, io};
 
 use hex_literal::hex;
 use sha2::{Digest, Sha512};
 
 fn main() {
-    let out_dir = env::var_os("OUT_DIR").unwrap();
-    println!("cargo:rustc-flags=-L {}", out_dir.to_str().unwrap());
-    println!("cargo:rustc-link-lib=Cwtch");
+    // Do not fetch lib on docs.rs as it cannot, build will fail, docs won't build
+    // https://docs.rs/about/builds
+    if std::env::var("DOCS_RS").is_err() {
+        let out_dir = env::var_os("OUT_DIR").unwrap();
+        println!("cargo:rustc-flags=-L {}", out_dir.to_str().unwrap());
+        println!("cargo:rustc-link-lib=Cwtch");
 
-    println!("cargo:rerun-if-changed=build.rs");
-    println!("cargo:rerun-if-changed=libCwtch.h");
+        println!("cargo:rerun-if-changed=build.rs");
+        println!("cargo:rerun-if-changed=libCwtch.h");
 
-    let lib_cwtch_path = Path::new(&out_dir).join("libCwtch.so");
-    // https://git.openprivacy.ca/cwtch.im/libcwtch-go/releases v1.7.1
-    Command::new("wget")
-        .arg("https://git.openprivacy.ca/attachments/98184e9c-1dc7-431a-9601-91a9e763e8fc")
-        .arg("-O")
-        .arg(lib_cwtch_path)
-        .output()
-        .expect("failed to download libCwtch.so");
+        let lib_cwtch_path = Path::new(&out_dir).join("libCwtch.so");
+        // https://git.openprivacy.ca/cwtch.im/libcwtch-go/releases v1.7.1
+        Command::new("wget")
+            .arg("https://git.openprivacy.ca/attachments/98184e9c-1dc7-431a-9601-91a9e763e8fc")
+            .arg("-O")
+            .arg(lib_cwtch_path)
+            .output()
+            .expect("failed to download libCwtch.so");
 
-    let lib_cwtch_path = Path::new(&out_dir).join("libCwtch.so");
-    let mut hasher = Sha512::new();
-    let mut file = fs::File::open(&lib_cwtch_path).expect("could not open lib to hash");
-    io::copy(&mut file, &mut hasher).expect("failed to copy file into hasher");
-    let hash_bytes = hasher.finalize();
+        let lib_cwtch_path = Path::new(&out_dir).join("libCwtch.so");
+        let mut hasher = Sha512::new();
+        let mut file = fs::File::open(&lib_cwtch_path).expect("could not open lib to hash");
+        io::copy(&mut file, &mut hasher).expect("failed to copy file into hasher");
+        let hash_bytes = hasher.finalize();
 
-    assert_eq!(hash_bytes[..], hex!("cb4368d72a46f8046261c50e6e9ecf170d8e606871d5de2c1e9e34303533c344f92f5d946d7e12614581dfa3ae8e638512af7f4623ed91b1ceb1570de14bf192")[..]);
+        assert_eq!(hash_bytes[..], hex!("cb4368d72a46f8046261c50e6e9ecf170d8e606871d5de2c1e9e34303533c344f92f5d946d7e12614581dfa3ae8e638512af7f4623ed91b1ceb1570de14bf192")[..]);
+    }
 }