diff --git a/pkgs/development/compilers/rust/rustc.nix b/pkgs/development/compilers/rust/rustc.nix
index 8a7d680010df..ceaf6f4c2258 100644
--- a/pkgs/development/compilers/rust/rustc.nix
+++ b/pkgs/development/compilers/rust/rustc.nix
@@ -1,6 +1,6 @@
 { stdenv, removeReferencesTo, pkgsBuildBuild, pkgsBuildHost, pkgsBuildTarget
 , fetchurl, file, python2
-, llvm_7, darwin, git, cmake, rustPlatform
+, llvm_9, darwin, git, cmake, rustPlatform
 , pkgconfig, openssl
 , which, libffi
 , withBundledLLVM ? false
@@ -12,12 +12,12 @@ let
   inherit (stdenv.lib) optional optionalString;
   inherit (darwin.apple_sdk.frameworks) Security;
 
-  llvmSharedForBuild = pkgsBuildBuild.llvm_7.override { enableSharedLibraries = true; };
-  llvmSharedForHost = pkgsBuildHost.llvm_7.override { enableSharedLibraries = true; };
-  llvmSharedForTarget = pkgsBuildTarget.llvm_7.override { enableSharedLibraries = true; };
+  llvmSharedForBuild = pkgsBuildBuild.llvm_9.override { enableSharedLibraries = true; };
+  llvmSharedForHost = pkgsBuildHost.llvm_9.override { enableSharedLibraries = true; };
+  llvmSharedForTarget = pkgsBuildTarget.llvm_9.override { enableSharedLibraries = true; };
 
   # For use at runtime
-  llvmShared = llvm_7.override { enableSharedLibraries = true; };
+  llvmShared = llvm_9.override { enableSharedLibraries = true; };
 in stdenv.mkDerivation rec {
   pname = "rustc";
   inherit version;