diff --git a/toolboxes/Dockerfile.vulkan-amdvlk b/toolboxes/Dockerfile.vulkan-amdvlk
index 0e977c5..291b1ed 100644
--- a/toolboxes/Dockerfile.vulkan-amdvlk
+++ b/toolboxes/Dockerfile.vulkan-amdvlk
@@ -1,7 +1,7 @@
 # build stage
 FROM registry.fedoraproject.org/fedora:43 AS builder
 # Toggle llama.cpp PR 15405 (RPC perf for large models)
-ARG APPLY_LLAMA_PR_15405=0
+ARG APPLY_LLAMA_PR_15405=1
 
 # deps
 RUN dnf -y --nodocs --setopt=install_weak_deps=False install \
diff --git a/toolboxes/Dockerfile.vulkan-radv b/toolboxes/Dockerfile.vulkan-radv
index 1757b56..969e2fd 100644
--- a/toolboxes/Dockerfile.vulkan-radv
+++ b/toolboxes/Dockerfile.vulkan-radv
@@ -1,7 +1,7 @@
 # build stage
 FROM registry.fedoraproject.org/fedora:43 AS builder
 # Toggle llama.cpp PR 15405 (RPC perf for large models)
-ARG APPLY_LLAMA_PR_15405=0
+ARG APPLY_LLAMA_PR_15405=1
 
 # deps
 RUN dnf -y --nodocs --setopt=install_weak_deps=False install \