diff --git a/4-Infrastructure/shim/requirements.txt b/4-Infrastructure/shim/requirements.txt
index 33975e99..7286fc57 100644
--- a/4-Infrastructure/shim/requirements.txt
+++ b/4-Infrastructure/shim/requirements.txt
@@ -9,6 +9,9 @@ highspy>=1.7.0
 # AlphaProof loop (Ollama API)
 requests>=2.31.0
 
+# Photonic quantum simulation (Perceval SLOS)
+perceval-quandela>=1.2.3
+
 # Bosonic tensor network shim (rrc_bosonic_tensor_network.py)
 quimb>=1.4.0
 opt_einsum>=3.3.0