diff --git a/pkgs/development/libraries/gsl/default.nix b/pkgs/development/libraries/gsl/default.nix
index 4ab1b0cf56c5..82e41329e001 100644
--- a/pkgs/development/libraries/gsl/default.nix
+++ b/pkgs/development/libraries/gsl/default.nix
@@ -1,11 +1,11 @@
 { fetchurl, fetchpatch, stdenv }:
 
 stdenv.mkDerivation rec {
-  name = "gsl-2.1";
+  name = "gsl-2.2";
 
   src = fetchurl {
     url = "mirror://gnu/gsl/${name}.tar.gz";
-    sha256 = "0rhcia9jhr3p1f1wybwyllwqfs9bggz99i3mi5lpyqcpff1hdbar";
+    sha256 = "1pyq2c0j91z955746myn29c89jwkd435s2cbj8ks2hpag6d0mr2d";
   };
 
   patches = [