diff --git a/DEPS b/DEPS
index 86bddc92900..4b312da9d87 100644
--- a/DEPS
+++ b/DEPS
@@ -136,7 +136,7 @@ allowed_hosts = [
 ]
 
 deps = {
-  'src': 'https://github.com/flutter/buildroot.git' + '@' + '58d85da77cf1d5c668d185570fa8ed3d2e1a1ab5',
+  'src': 'https://github.com/flutter/buildroot.git' + '@' + 'a636978c4b3bc48d20898f8b9ba6c194c6c12fd2',
 
    # Fuchsia compatibility
    #
diff --git a/engine/src/flutter/tools/fuchsia/build_fuchsia_artifacts.py b/engine/src/flutter/tools/fuchsia/build_fuchsia_artifacts.py
index 35c8e37d661..920fc38f313 100755
--- a/engine/src/flutter/tools/fuchsia/build_fuchsia_artifacts.py
+++ b/engine/src/flutter/tools/fuchsia/build_fuchsia_artifacts.py
@@ -196,8 +196,6 @@ def BuildTarget(runtime_mode, arch, product):
   out_dir = 'fuchsia_%s_%s' % (runtime_mode, arch)
   flags = [
       '--fuchsia',
-      # The source does not require LTO and LTO is not wired up for targets.
-      '--no-lto',
       '--fuchsia-cpu',
       arch,
       '--runtime-mode',