diff --git a/easystacks/software.eessi.io/2026.06/additional_arch/riscv64/generic/eessi-2026.06-eb-5.4.0-2026.1.yml b/easystacks/software.eessi.io/2026.06/additional_arch/riscv64/generic/eessi-2026.06-eb-5.4.0-2026.1.yml
index 126c0cef32..5656fec1ef 100644
--- a/easystacks/software.eessi.io/2026.06/additional_arch/riscv64/generic/eessi-2026.06-eb-5.4.0-2026.1.yml
+++ b/easystacks/software.eessi.io/2026.06/additional_arch/riscv64/generic/eessi-2026.06-eb-5.4.0-2026.1.yml
@@ -50,4 +50,7 @@ easyconfigs:
         # see https://github.com/easybuilders/easybuild-easyconfigs/pull/26984
         from-commit: ee7dfbd62b2caea305be478bd024aaefeb794eff
   - FFmpeg-8.1.1-GCCcore-15.2.0.eb
-  - Pango-1.57.1-GCCcore-15.2.0.eb
\ No newline at end of file
+  - Pango-1.57.1-GCCcore-15.2.0.eb
+  - Mako-1.3.12-GCCcore-15.2.0.eb
+  - NSPR-4.39-GCCcore-15.2.0.eb
+  - NSS-3.119-GCCcore-15.2.0.eb