diff --git a/pkgs/development/libraries/gnutls/3.1.nix b/pkgs/development/libraries/gnutls/3.1.nix
index 6aea78a3ac52..44ea0176e38c 100644
--- a/pkgs/development/libraries/gnutls/3.1.nix
+++ b/pkgs/development/libraries/gnutls/3.1.nix
@@ -4,11 +4,11 @@
 assert guileBindings -> guile != null;
 
 stdenv.mkDerivation rec {
-  name = "gnutls-3.1.25";
+  name = "gnutls-3.1.26";
 
   src = fetchurl {
     url = "ftp://ftp.gnutls.org/gcrypt/gnutls/v3.1/${name}.tar.lz";
-    sha256 = "1i1v8pbaw72k0ps09i3lvc1zr9gn34jpliiijbs8k7axrv2w9n5g";
+    sha256 = "7947e18fd0c292c0274d810c9bdf674b8faa3566e056ea404a39f335982607a3";
   };
 
   # FreeBSD doesn't have <alloca.h>, and Gnulib's `alloca' module isn't used.
diff --git a/pkgs/development/libraries/gnutls/3.2.nix b/pkgs/development/libraries/gnutls/3.2.nix
index cd48e08a39c4..5bf933fbc961 100644
--- a/pkgs/development/libraries/gnutls/3.2.nix
+++ b/pkgs/development/libraries/gnutls/3.2.nix
@@ -4,11 +4,11 @@
 assert guileBindings -> guile != null;
 
 stdenv.mkDerivation rec {
-  name = "gnutls-3.2.15";
+  name = "gnutls-3.2.17";
 
   src = fetchurl {
     url = "ftp://ftp.gnutls.org/gcrypt/gnutls/v3.2/${name}.tar.lz";
-    sha256 = "16c5c4k41mxib8i06npks940p9xllgn1wrackfp8712wdvl5zc4q";
+    sha256 = "a332adda1d294fbee859ae46ee0c128d8959c4a5b9c28e7cdbe5c9b56898fc25";
   };
 
   patches =