diff --git a/backend/cpp/bonsai/Makefile b/backend/cpp/bonsai/Makefile
index 3423b77161c3..db8103154d15 100644
--- a/backend/cpp/bonsai/Makefile
+++ b/backend/cpp/bonsai/Makefile
@@ -1,7 +1,7 @@
 
 # Pinned to the HEAD of the `prism` branch on https://github.com/PrismML-Eng/llama.cpp.
 # Auto-bumped nightly by .github/workflows/bump_deps.yaml.
-BONSAI_VERSION?=11809184898113482c2f510fd13da669aaba1052
+BONSAI_VERSION?=97ea5aeee195b7c2a8fc48668c37a17c6ecc92eb
 LLAMA_REPO?=https://github.com/PrismML-Eng/llama.cpp
 
 CMAKE_ARGS?=