diff --git a/easystacks/software.eessi.io/2025.06/rebuilds/20261023-eb-5.4.1-R-2025b-emSign-cert.yml b/easystacks/software.eessi.io/2025.06/rebuilds/20261023-eb-5.4.1-R-2025b-emSign-cert.yml
new file mode 100644
index 0000000000..5c3c38d2f6
--- /dev/null
+++ b/easystacks/software.eessi.io/2025.06/rebuilds/20261023-eb-5.4.1-R-2025b-emSign-cert.yml
@@ -0,0 +1,6 @@
+easyconfigs:
+  - R-4.5.2-gfbf-2025b.eb:
+      options:
+        # rebuild R to pick up in-place patching of certificates
+        # see https://github.com/easybuilders/easybuild-easyconfigs/pull/27234
+        from-commit: 371c1e6597c3152543cd7cce4ebf8d7be0da7206