diff --git a/pkgs/development/libraries/libsass/default.nix b/pkgs/development/libraries/libsass/default.nix
index 9b61ce65d453..83df5161a8ef 100644
--- a/pkgs/development/libraries/libsass/default.nix
+++ b/pkgs/development/libraries/libsass/default.nix
@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation rec {
   pname = "libsass";
-  version = "3.6.5";
+  version = "3.6.5"; # also check sassc for updates
 
   src = fetchFromGitHub {
     owner = "sass";
diff --git a/pkgs/development/tools/sassc/default.nix b/pkgs/development/tools/sassc/default.nix
index d9662cd7ddb9..16bc97a48ee6 100644
--- a/pkgs/development/tools/sassc/default.nix
+++ b/pkgs/development/tools/sassc/default.nix
@@ -2,16 +2,16 @@
 
 stdenv.mkDerivation rec {
   pname = "sassc";
-  version = "3.6.1";
+  version = "3.6.2"; # also check libsass for updates
 
   src = fetchFromGitHub {
     owner = "sass";
     repo = pname;
     rev = version;
-    sha256 = "1sxm54mkhs9m4vnl7vn11y17mhzamc403hv3966j1c7p2rbzg5pv";
+    sha256 = "sha256-jcs3+orRqKt9C3c2FTdeaj4H2rBP74lW3HF8CHSm7lQ=";
   };
 
-  patchPhase = ''
+  preConfigure = ''
     export SASSC_VERSION=${version}
   '';