diff --git a/var/spack/repos/builtin/packages/py-tensorflow/package.py b/var/spack/repos/builtin/packages/py-tensorflow/package.py
index dfe4f72e6b412e..c94a2082d55c54 100644
--- a/var/spack/repos/builtin/packages/py-tensorflow/package.py
+++ b/var/spack/repos/builtin/packages/py-tensorflow/package.py
@@ -384,6 +384,7 @@ class PyTensorflow(Package, CudaPackage, ROCmPackage, PythonExtension):
     # https://www.tensorflow.org/install/source#tested_build_configurations
     # https://github.com/tensorflow/tensorflow/issues/70199
     # (-mavx512fp16 exists in gcc@12:)
+    conflicts("%gcc@13:", when="@:2.14")
     conflicts("%gcc@:11", when="@2.17:")
     conflicts("%gcc@:9.3.0", when="@2.9:")
     conflicts("%gcc@:7.3.0")