diff --git a/.github/workflows/iwyu.yml b/.github/workflows/iwyu.yml
index e0183e7e5851..939523f5ebe5 100644
--- a/.github/workflows/iwyu.yml
+++ b/.github/workflows/iwyu.yml
@@ -47,7 +47,7 @@ jobs:
 
       - name: Install missing software on Fedora
         run: |
-          yum install -y cmake
+          yum install -y cmake gcc-c++
           yum install -y iwyu
 
       - name: Prepare CMake