diff --git a/pkgs/development/libraries/acl/default.nix b/pkgs/development/libraries/acl/default.nix
index 5ce81105fa32..3ccb56919800 100644
--- a/pkgs/development/libraries/acl/default.nix
+++ b/pkgs/development/libraries/acl/default.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchurl, gettext, attr }:
 
 stdenv.mkDerivation rec {
-  name = "acl-2.2.49";
+  name = "acl-2.2.51";
 
   src = fetchurl {
     url = "mirror://savannah/acl/${name}.src.tar.gz";
-    sha256 = "1mg5nxr0r9y08lmyxmm2lfss5jz1xzbs0npsc8597x2f5rsz9ixr";
+    sha256 = "09aj30m49ivycl3irram8c3givc0crivjm3ymw0nhfaxrwhlb186";
   };
 
-  buildNativeInputs = [gettext];
+  buildNativeInputs = [ gettext ];
   buildInputs = [ attr ];
 
   # Upstream use C++-style comments in C code. Remove them.
diff --git a/pkgs/development/libraries/attr/default.nix b/pkgs/development/libraries/attr/default.nix
index 6477b443dcf8..adc530863068 100644
--- a/pkgs/development/libraries/attr/default.nix
+++ b/pkgs/development/libraries/attr/default.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchurl, gettext }:
 
 stdenv.mkDerivation rec {
-  name = "attr-2.4.44";
+  name = "attr-2.4.46";
 
   src = fetchurl {
     url = "mirror://savannah/attr/${name}.src.tar.gz";
-    sha256 = "16244r2vrd57i5fnf7dz3yi2mcckc47jr9y539jvljrzwnw18qlz";
+    sha256 = "07qf6kb2zk512az481bbnsk9jycn477xpva1a726n5pzlzf9pmnw";
   };
 
-  buildNativeInputs = [gettext];
+  buildNativeInputs = [ gettext ];
 
   configureFlags = "MAKE=make MSGFMT=msgfmt MSGMERGE=msgmerge XGETTEXT=xgettext ECHO=echo SED=sed AWK=gawk";