diff --git a/bot/software_layer_scripts_commit b/bot/software_layer_scripts_commit
index 1c9537fa76..ae859b3fa9 100644
--- a/bot/software_layer_scripts_commit
+++ b/bot/software_layer_scripts_commit
@@ -1 +1 @@
-a04d1a71471364d6fef630fb03740224e7424f05
+40f2ceb30f5c2d24e9054951fe4542eda45e2a9e
diff --git a/easystacks/software.eessi.io/2026.06/eessi-2026.06-eb-5.4.0-2026.1.yml b/easystacks/software.eessi.io/2026.06/eessi-2026.06-eb-5.4.0-2026.1.yml
index cd4a3467ad..be6353b4fc 100644
--- a/easystacks/software.eessi.io/2026.06/eessi-2026.06-eb-5.4.0-2026.1.yml
+++ b/easystacks/software.eessi.io/2026.06/eessi-2026.06-eb-5.4.0-2026.1.yml
@@ -16,3 +16,4 @@ easyconfigs:
   - hypothesis-6.153.2-GCCcore-15.2.0.eb
   - pybind11-3.0.4-GCCcore-15.2.0.eb
   - meson-python-0.19.0-GCCcore-15.2.0.eb
+  - LLVM-21.1.8-GCCcore-15.2.0.eb