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 8f713b8dca1c..2249596d30c9 100644
--- a/pkgs/development/tools/analysis/include-what-you-use/default.nix
+++ b/pkgs/development/tools/analysis/include-what-you-use/default.nix
@@ -11,11 +11,11 @@ stdenv.mkDerivation rec {
   pname = "include-what-you-use";
   # Make sure to bump `llvmPackages` in "pkgs/top-level/all-packages.nix" to the supported version:
   # https://github.com/include-what-you-use/include-what-you-use?tab=readme-ov-file#clang-compatibility
-  version = "0.23";
+  version = "0.24";
 
   src = fetchurl {
     url = "${meta.homepage}/downloads/${pname}-${version}.src.tar.gz";
-    hash = "sha256-AATVqRaXF6zy9IEkilv8FcfVXdwrnNx/RhsG6T1Jxz8=";
+    hash = "sha256-ojQhzv9gHT6iFej6kpK/qMo56xrCCY277fxs/mVUHBA=";
   };
 
   postPatch = ''
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e278ac041a28..b9eb2af41d62 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8435,7 +8435,7 @@ with pkgs;
   };
 
   include-what-you-use = callPackage ../development/tools/analysis/include-what-you-use {
-    llvmPackages = llvmPackages_19;
+    llvmPackages = llvmPackages_20;
   };
 
   inherit (callPackage ../applications/misc/inochi2d { })