diff --git a/simulations/mix_lez_chat/run_simulation.sh b/simulations/mix_lez_chat/run_simulation.sh
index 26afbc2..686cbbb 100755
--- a/simulations/mix_lez_chat/run_simulation.sh
+++ b/simulations/mix_lez_chat/run_simulation.sh
@@ -286,7 +286,7 @@ echo "  Gifter allowlist: $GIFTER_ALLOWLIST"
 
 # ---------- Phase 3: Prerequisites ----------
 echo "[3/6] Verifying prerequisites..."
-LOGOSCORE="${LOGOSCORE:-$(nix build github:logos-co/logos-liblogos/7df6195 --override-input logos-cpp-sdk github:logos-co/logos-cpp-sdk/a4bd66c --no-link --print-out-paths)/bin/logoscore}"
+LOGOSCORE="${LOGOSCORE:-$(nix build github:logos-co/logos-liblogos/7df6195 --override-input logos-cpp-sdk github:logos-co/logos-cpp-sdk/1468180b2567f4c59346bb94f74951e76341f5c5 --no-link --print-out-paths)/bin/logoscore}"
 RLN_MODULE="$LEZ_RLN_DIR/logos-rln-module/result-rln/lib"
 WALLET_MODULE="$LEZ_RLN_DIR/logos-rln-module/result-wallet/lib"
 
diff --git a/vendor/logos-lez-rln b/vendor/logos-lez-rln
index f5b1b47..8dd327d 160000
--- a/vendor/logos-lez-rln
+++ b/vendor/logos-lez-rln
@@ -1 +1 @@
-Subproject commit f5b1b472dada6b84fa2dc413c2818e7d103580e2
+Subproject commit 8dd327ddd6215721e93138698a948cf4382c9062