diff --git a/plans/tier0.fmf b/plans/tier0.fmf
index 2c805f4..cab1826 100644
--- a/plans/tier0.fmf
+++ b/plans/tier0.fmf
@@ -9,10 +9,10 @@
 ---
 summary: Tier 0 test plan
 context:
-  collection: gcc-toolset-15
+  collection: gcc-toolset-16
 environment+:
-  COLLECTIONS: gcc-toolset-15
-  WITH_SCL: "scl enable gcc-toolset-15"
+  COLLECTIONS: gcc-toolset-16
+  WITH_SCL: "scl enable gcc-toolset-16"
 discover:
   - name: collect_info
     how: shell