diff --git a/capture/build/unix/release.mk b/capture/build/unix/release.mk
index 01a5113f..e70f36d4 100644
--- a/capture/build/unix/release.mk
+++ b/capture/build/unix/release.mk
@@ -1,4 +1,4 @@
-CFLAGS := -O3
+CFLAGS := -O3 -flto
 DEFINES := -DNDEBUG
 BUILD := release
 
diff --git a/csvexport/build/unix/release.mk b/csvexport/build/unix/release.mk
index 01a5113f..e70f36d4 100644
--- a/csvexport/build/unix/release.mk
+++ b/csvexport/build/unix/release.mk
@@ -1,4 +1,4 @@
-CFLAGS := -O3
+CFLAGS := -O3 -flto
 DEFINES := -DNDEBUG
 BUILD := release
 
diff --git a/import-chrome/build/unix/release.mk b/import-chrome/build/unix/release.mk
index 01a5113f..e70f36d4 100644
--- a/import-chrome/build/unix/release.mk
+++ b/import-chrome/build/unix/release.mk
@@ -1,4 +1,4 @@
-CFLAGS := -O3
+CFLAGS := -O3 -flto
 DEFINES := -DNDEBUG
 BUILD := release
 
diff --git a/profiler/build/unix/release.mk b/profiler/build/unix/release.mk
index 01a5113f..e70f36d4 100644
--- a/profiler/build/unix/release.mk
+++ b/profiler/build/unix/release.mk
@@ -1,4 +1,4 @@
-CFLAGS := -O3
+CFLAGS := -O3 -flto
 DEFINES := -DNDEBUG
 BUILD := release
 
diff --git a/update/build/unix/release.mk b/update/build/unix/release.mk
index 01a5113f..e70f36d4 100644
--- a/update/build/unix/release.mk
+++ b/update/build/unix/release.mk
@@ -1,4 +1,4 @@
-CFLAGS := -O3
+CFLAGS := -O3 -flto
 DEFINES := -DNDEBUG
 BUILD := release