diff --git a/pkgs/development/libraries/cfitsio/default.nix b/pkgs/development/libraries/cfitsio/default.nix
index a3d1a46e818c..d49bd7eac1bc 100644
--- a/pkgs/development/libraries/cfitsio/default.nix
+++ b/pkgs/development/libraries/cfitsio/default.nix
@@ -1,24 +1,21 @@
 { fetchurl, stdenv }:
 
-stdenv.mkDerivation {
-  name = "cfitsio-3.21";
+ stdenv.mkDerivation {
+  name = "cfitsio-3.41";
 
   src = fetchurl {
-    url = ftp://heasarc.gsfc.nasa.gov/software/fitsio/c/cfitsio3210.tar.gz;
-    sha256 = "1ffr3p5dy2b1vj9j4li5zf22naavi9wcxsvqy236fc0ykfyip96i";
+    url = "ftp://heasarc.gsfc.nasa.gov/software/fitsio/c/cfitsio3410.tar.gz";
+    sha256 = "0k3knn5hz1vhzzvm46xa1y6fnpliwkwgw76lnkf4amcnl5zaqmm5";
   };
 
   # Shared-only build
   buildFlags = "shared";
-  patchPhase =
-   '' sed -e '/^install:/s/libcfitsio.a //' -e 's@/bin/@@g' -i Makefile.in
+  patchPhase = '' sed -e '/^install:/s/libcfitsio.a //' -e 's@/bin/@@g' -i Makefile.in
    '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://heasarc.gsfc.nasa.gov/fitsio/;
-
     description = "Library for reading and writing FITS data files";
-
     longDescription =
       '' CFITSIO is a library of C and Fortran subroutines for reading and
          writing data files in FITS (Flexible Image Transport System) data
@@ -28,9 +25,8 @@ stdenv.mkDerivation {
          advanced features for manipulating and filtering the information in
          FITS files.
       '';
-
     # Permissive BSD-style license.
     license = "permissive";
-    platforms = stdenv.lib.platforms.unix;
+    platforms = platforms.linux;
   };
 }