diff --git a/pkgs/tools/text/gawk/default.nix b/pkgs/tools/text/gawk/default.nix
index 3eb9ed3000c2..d66d3763c036 100644
--- a/pkgs/tools/text/gawk/default.nix
+++ b/pkgs/tools/text/gawk/default.nix
@@ -17,11 +17,11 @@ assert (doCheck && stdenv.isLinux) -> glibcLocales != null;
 
 stdenv.mkDerivation rec {
   pname = "gawk";
-  version = "5.1.0";
+  version = "5.1.1";
 
   src = fetchurl {
     url = "mirror://gnu/gawk/gawk-${version}.tar.xz";
-    sha256 = "1gc2cccqy1x1bf6rhwlmd8q7dz7gnam6nwgl38bxapv6qm5flpyg";
+    sha256 = "18kybw47fb1sdagav7aj95r9pp09r5gm202y3ahvwjw9dqw2jxnq";
   };
 
   # When we do build separate interactive version, it makes sense to always include man.