diff --git a/var/spack/repos/builtin/packages/llvm/package.py b/var/spack/repos/builtin/packages/llvm/package.py
index 555fbaa6ad9..fcde0bba3cb 100644
--- a/var/spack/repos/builtin/packages/llvm/package.py
+++ b/var/spack/repos/builtin/packages/llvm/package.py
@@ -286,6 +286,8 @@ class Llvm(CMakePackage, CudaPackage, LlvmDetection, CompilerPackage):
         description="Enable zstd support for static analyzer / lld",
     )
 
+    provides("libllvm@19", when="@19.0.0:19")
+    provides("libllvm@18", when="@18.0.0:18")
     provides("libllvm@17", when="@17.0.0:17")
     provides("libllvm@16", when="@16.0.0:16")
     provides("libllvm@15", when="@15.0.0:15")