diff --git a/pkgs/development/tools/misc/creduce/default.nix b/pkgs/development/tools/misc/creduce/default.nix
index d768f68576c5..c8378e06df6d 100644
--- a/pkgs/development/tools/misc/creduce/default.nix
+++ b/pkgs/development/tools/misc/creduce/default.nix
@@ -10,11 +10,11 @@ assert stdenv.isLinux -> (utillinux != null);
 
 stdenv.mkDerivation rec {
   name = "creduce-${version}";
-  version = "2.6.0";
+  version = "2.7.0";
 
   src = fetchurl {
     url = "http://embed.cs.utah.edu/creduce/${name}.tar.gz";
-    sha256 = "0pf5q0n8vkdcr1wrkxn2jzxv0xkrir13bwmqfw3jpbm3dh2c3b6d";
+    sha256 = "0h8s4d54q6cl6i45x3143l2xmr29b2yhr3m0n5qqx63sr5csip1n";
   };
 
   buildInputs = [
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2973e2d9b0f9..e7a8d45249e6 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6619,7 +6619,7 @@ with pkgs;
   creduce = callPackage ../development/tools/misc/creduce {
     inherit (perlPackages) perl
       ExporterLite FileWhich GetoptTabular RegexpCommon TermReadKey;
-    inherit (llvmPackages_39) llvm clang-unwrapped;
+    inherit (llvmPackages_4) llvm clang-unwrapped;
     utillinux = if stdenv.isLinux then utillinuxMinimal else null;
   };