diff --git a/pkgs/os-specific/linux/kernel/linux-3.2.nix b/pkgs/os-specific/linux/kernel/linux-3.2.nix
index c07448b43b5..36e97f15c2b 100644
--- a/pkgs/os-specific/linux/kernel/linux-3.2.nix
+++ b/pkgs/os-specific/linux/kernel/linux-3.2.nix
@@ -240,7 +240,7 @@ in
 import ./generic.nix (
 
   rec {
-    version = "3.2.47";
+    version = "3.2.48";
 
     modDirVersion = version;
 
@@ -250,7 +250,7 @@ import ./generic.nix (
 
     src = fetchurl {
       url = "mirror://kernel/linux/kernel/v3.x/linux-${version}.tar.xz";
-      sha256 = "1554c7r32q87jxkkpggpgwg4rcc4zanahmrw30sg39krxbf2s7q1";
+      sha256 = "1i24vpv2q8va4ywac970hjisi4jyra7ik99g9zv3bmxmm86k7nqk";
     };
 
     config = configWithPlatform stdenv.platform;
diff --git a/pkgs/os-specific/linux/kernel/linux-3.4.nix b/pkgs/os-specific/linux/kernel/linux-3.4.nix
index cd7e9f2b375..90df69dcf16 100644
--- a/pkgs/os-specific/linux/kernel/linux-3.4.nix
+++ b/pkgs/os-specific/linux/kernel/linux-3.4.nix
@@ -246,7 +246,7 @@ in
 import ./generic.nix (
 
   rec {
-    version = "3.4.47";
+    version = "3.4.51";
     testing = false;
 
     preConfigure = ''
@@ -255,7 +255,7 @@ import ./generic.nix (
 
     src = fetchurl {
       url = "mirror://kernel/linux/kernel/v3.x/${if testing then "testing/" else ""}linux-${version}.tar.xz";
-      sha256 = "0hdrwzhfnm3c26i2iaw2rfhi7rl89n7dpvbznn29k27p3ifi3rp6";
+      sha256 = "02msq95m2f73bw0y0sf2gsvg6yd7gfr6n1f2id77604mc6svb69s";
     };
 
     config = configWithPlatform stdenv.platform;