diff --git a/pkgs/development/tools/analysis/include-what-you-use/default.nix b/pkgs/development/tools/analysis/include-what-you-use/default.nix
index 374f0fee3f11..bd3f33d169a1 100644
--- a/pkgs/development/tools/analysis/include-what-you-use/default.nix
+++ b/pkgs/development/tools/analysis/include-what-you-use/default.nix
@@ -3,10 +3,10 @@
 stdenv.mkDerivation rec {
   name = "include-what-you-use-${version}";
   # Also bump llvmPackages in all-packages.nix to the supported version!
-  version = "0.5";
+  version = "0.6";
 
   src = fetchurl {
-    sha256 = "19pwhgwvfr86n8ks099p9r02v7zh8d3qs7g7snzkhpdgq1azww85";
+    sha256 = "0n3z4pfbby0rl338irbs4yvcmjfnza82xg9a8r9amyl0bkfasbxb";
     url = "${meta.homepage}/downloads/${name}.src.tar.gz";
   };
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 351b3a781d3c..9b614b8e83da 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6169,7 +6169,7 @@ in
   };
 
   include-what-you-use = callPackage ../development/tools/analysis/include-what-you-use {
-    llvmPackages = llvmPackages_37;
+    llvmPackages = llvmPackages_38;
   };
 
   indent = callPackage ../development/tools/misc/indent { };