diff --git a/spack-environment/packages.yaml b/spack-environment/packages.yaml
index e0103970b6cd7ff0713c5f250232f0bd1eb44677..29289bce3dfe42f3647e5c41f09c3fe449111bbb 100644
--- a/spack-environment/packages.yaml
+++ b/spack-environment/packages.yaml
@@ -275,7 +275,7 @@ packages:
     - +opengl
   root:
     require:
-    - '@6.28.04'
+    - '@6.28.06'
     - cxxstd=17 +fftw +fortran +gdml +http -ipo +mlp +pythia8 +root7 +tmva +vc -webgui +xrootd +ssl
     - any_of: [+opengl +x, -opengl -x]
   spdlog: