diff --git a/backend/cpp/turboquant/Makefile b/backend/cpp/turboquant/Makefile
index cd3d1ab80..8c8981f28 100644
--- a/backend/cpp/turboquant/Makefile
+++ b/backend/cpp/turboquant/Makefile
@@ -1,7 +1,7 @@
 
 # Pinned to the HEAD of feature/turboquant-kv-cache on https://github.com/TheTom/llama-cpp-turboquant.
 # Auto-bumped nightly by .github/workflows/bump_deps.yaml.
-TURBOQUANT_VERSION?=627ebbc6e27727bd4f65422d8aa60b13404993c8
+TURBOQUANT_VERSION?=67559e580b10e4e47e9a6fd6218873997976886d
 LLAMA_REPO?=https://github.com/TheTom/llama-cpp-turboquant
 
 CMAKE_ARGS?=