diff --git a/Makefile b/Makefile
index 1983303..a6b1f0b 100644
--- a/Makefile
+++ b/Makefile
@@ -21,7 +21,7 @@ asan:
 msan:
 	make -rRf make/msan.mk all
 
-validate: asan msan debug
+validate: asan msan debug release
 	./validate.sh
 
 analyze:
diff --git a/make/release.mk b/make/release.mk
index 606940c..d58017b 100644
--- a/make/release.mk
+++ b/make/release.mk
@@ -1,4 +1,4 @@
-CFLAGS?=-Wall -Wextra -Wpedantic -O2 -std=c23 -flto -fomit-frame-pointer -DNDEBUG -D_POSIX_C_SOURCE=200809L
+CFLAGS?=-Wall -Wextra -Wpedantic -Werror -O2 -std=c23 -flto -fomit-frame-pointer -DNDEBUG -D_POSIX_C_SOURCE=200809L
 LDFLAGS?=-flto -s -Wl,--gc-sections
 BUILD_DIR?=build/release/