diff --git a/Formula/nspr.rb b/Formula/nspr.rb
index cc2885e908..cdda144cc8 100644
--- a/Formula/nspr.rb
+++ b/Formula/nspr.rb
@@ -1,9 +1,8 @@
 class Nspr < Formula
   desc "Platform-neutral API for system-level and libc-like functions"
   homepage "https://developer.mozilla.org/docs/Mozilla/Projects/NSPR"
-  url "https://archive.mozilla.org/pub/mozilla.org/nspr/releases/v4.11/src/nspr-4.11.tar.gz"
-  sha256 "cb320a9eee7028275ac0fce7adc39dee36f14f02fd8432fce1b7e1aa5e3685c2"
-  revision 1
+  url "https://archive.mozilla.org/pub/mozilla.org/nspr/releases/v4.12/src/nspr-4.12.tar.gz"
+  sha256 "e0b10a1e569153668ff8bdea6c7e491b389fab69c2f18285a1ebf7c2ea4269de"
 
   bottle do
     cellar :any