diff --git a/easystacks/software.eessi.io/2026.06/rebuilds/20261022-eb-5.4.1-2026.1-emSign-cert.yml b/easystacks/software.eessi.io/2026.06/rebuilds/20261022-eb-5.4.1-2026.1-emSign-cert.yml
new file mode 100644
index 0000000000..95411a34f5
--- /dev/null
+++ b/easystacks/software.eessi.io/2026.06/rebuilds/20261022-eb-5.4.1-2026.1-emSign-cert.yml
@@ -0,0 +1,21 @@
+easyconfigs:
+  - Python-3.14.2-GCCcore-15.2.0.eb:
+      options:
+        # rebuild Python pick up patch for pip to remove emSign root CA certificate,
+        # see https://github.com/easybuilders/easybuild-easyconfigs/pull/27220
+        from-commit: a9ab52b1ff04bd32d575f560bb01c0cbfe07ffaa
+  - Python-bundle-PyPI-2026.04-GCCcore-15.2.0.eb:
+      options:
+        # rebuild Python-bundle-PyPI pick up in-place update of certifi extension
+        # see https://github.com/easybuilders/easybuild-easyconfigs/pull/27219
+        from-commit: 88f9280575315fa8ed82f85b2d81d4472c561a69
+  - flit-3.12.0-GCCcore-15.2.0.eb:
+      options:
+        # rebuild flit to pick up in-place update of certifi extension
+        # see https://github.com/easybuilders/easybuild-easyconfigs/pull/27221/
+        from-commit: b0a3d33d531427d3c189287764e1dae10c2bf17d
+  - poetry-2.3.4-GCCcore-15.2.0.eb:
+      options:
+        # rebuild poetry to pick up in-place update of certifi extension
+        # see https://github.com/easybuilders/easybuild-easyconfigs/pull/27223
+        from-commit: e5a5ac6c988dcd97adad942619b7c7cf1be23572